20161993540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1567}}^1$

素因数の和:1718

約数の個数: 192

約数和(自身を含む): 50185433088

約数和(自身を除く): 30023439548

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 41, 52, 65, 68, 71, 82, 85, 130, 142, 164, 170, 205, 221, 260, 284, 340, 355, 410, 442, 533, 697, 710, 820, 884, 923, 1066, 1105, 1207, 1394, 1420, 1567, 1846, 2132, 2210, 2414, 2665, 2788, 2911, 3134, 3485, 3692, 4420, 4615, 4828, 5330, 5822, 6035, 6268, 6970, 7835, 9061, 9230, 10660, 11644, 12070, 13940, 14555, 15670, 15691, 18122, 18460, 20371, 24140, 26639, 29110, 31340, 31382, 36244, 37843, 40742, 45305, 49487, 53278, 58220, 62764, 64247, 75686, 78455, 81484, 90610, 98974, 101855, 106556, 111257, 128494, 133195, 151372, 156910, 181220, 189215, 197948, 203710, 222514, 247435, 256988, 266390, 313820, 321235, 346307, 378430, 407420, 445028, 494870, 532780, 556285, 642470, 643331, 692614, 756860, 835211, 989740, 1092199, 1112570, 1284940, 1286662, 1385228, 1446341, 1670422, 1731535, 1891369, 2184398, 2225140, 2573324, 2892682, 3216655, 3340844, 3463070, 3782738, 4176055, 4368796, 4561537, 5460995, 5785364, 6433310, 6926140, 7231705, 7565476, 8352110, 9123074, 9456845, 10921990, 12866620, 14198587, 14463410, 16704220, 18246148, 18913690, 21843980, 22807685, 24587797, 28397174, 28926820, 37827380, 45615370, 49175594, 56794348, 59299981, 70992935, 77546129, 91230740, 98351188, 118599962, 122938985, 141985870, 155092258, 237199924, 245877970, 283971740, 296499905, 310184516, 387730645, 491755940, 592999810, 775461290, 1008099677, 1185999620, 1550922580, 2016199354, 4032398708, 5040498385, 10080996770, 20161993540]

約数ペア:

[(1, 20161993540), (2, 10080996770), (4, 5040498385), (5, 4032398708), (10, 2016199354), (13, 1550922580), (17, 1185999620), (20, 1008099677), (26, 775461290), (34, 592999810), (41, 491755940), (52, 387730645), (65, 310184516), (68, 296499905), (71, 283971740), (82, 245877970), (85, 237199924), (130, 155092258), (142, 141985870), (164, 122938985), (170, 118599962), (205, 98351188), (221, 91230740), (260, 77546129), (284, 70992935), (340, 59299981), (355, 56794348), (410, 49175594), (442, 45615370), (533, 37827380), (697, 28926820), (710, 28397174), (820, 24587797), (884, 22807685), (923, 21843980), (1066, 18913690), (1105, 18246148), (1207, 16704220), (1394, 14463410), (1420, 14198587), (1567, 12866620), (1846, 10921990), (2132, 9456845), (2210, 9123074), (2414, 8352110), (2665, 7565476), (2788, 7231705), (2911, 6926140), (3134, 6433310), (3485, 5785364), (3692, 5460995), (4420, 4561537), (4615, 4368796), (4828, 4176055), (5330, 3782738), (5822, 3463070), (6035, 3340844), (6268, 3216655), (6970, 2892682), (7835, 2573324), (9061, 2225140), (9230, 2184398), (10660, 1891369), (11644, 1731535), (12070, 1670422), (13940, 1446341), (14555, 1385228), (15670, 1286662), (15691, 1284940), (18122, 1112570), (18460, 1092199), (20371, 989740), (24140, 835211), (26639, 756860), (29110, 692614), (31340, 643331), (31382, 642470), (36244, 556285), (37843, 532780), (40742, 494870), (45305, 445028), (49487, 407420), (53278, 378430), (58220, 346307), (62764, 321235), (64247, 313820), (75686, 266390), (78455, 256988), (81484, 247435), (90610, 222514), (98974, 203710), (101855, 197948), (106556, 189215), (111257, 181220), (128494, 156910), (133195, 151372)]