20181365820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1456087}}^1$

素因数の和:1456120

約数の個数: 144

約数和(自身を含む): 76322308608

約数和(自身を除く): 56140942788

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 110, 126, 132, 140, 154, 165, 180, 198, 210, 220, 231, 252, 308, 315, 330, 385, 396, 420, 462, 495, 630, 660, 693, 770, 924, 990, 1155, 1260, 1386, 1540, 1980, 2310, 2772, 3465, 4620, 6930, 13860, 1456087, 2912174, 4368261, 5824348, 7280435, 8736522, 10192609, 13104783, 14560870, 16016957, 17473044, 20385218, 21841305, 26209566, 29121740, 30577827, 32033914, 40770436, 43682610, 48050871, 50963045, 52419132, 61155654, 64067828, 65523915, 80084785, 87365220, 91733481, 96101742, 101926090, 112118699, 122311308, 131047830, 144152613, 152889135, 160169570, 183466962, 192203484, 203852180, 224237398, 240254355, 262095660, 288305226, 305778270, 320339140, 336356097, 366933924, 448474796, 458667405, 480508710, 560593495, 576610452, 611556540, 672712194, 720763065, 917334810, 961017420, 1009068291, 1121186990, 1345424388, 1441526130, 1681780485, 1834669620, 2018136582, 2242373980, 2883052260, 3363560970, 4036273164, 5045341455, 6727121940, 10090682910, 20181365820]

約数ペア:

[(1, 20181365820), (2, 10090682910), (3, 6727121940), (4, 5045341455), (5, 4036273164), (6, 3363560970), (7, 2883052260), (9, 2242373980), (10, 2018136582), (11, 1834669620), (12, 1681780485), (14, 1441526130), (15, 1345424388), (18, 1121186990), (20, 1009068291), (21, 961017420), (22, 917334810), (28, 720763065), (30, 672712194), (33, 611556540), (35, 576610452), (36, 560593495), (42, 480508710), (44, 458667405), (45, 448474796), (55, 366933924), (60, 336356097), (63, 320339140), (66, 305778270), (70, 288305226), (77, 262095660), (84, 240254355), (90, 224237398), (99, 203852180), (105, 192203484), (110, 183466962), (126, 160169570), (132, 152889135), (140, 144152613), (154, 131047830), (165, 122311308), (180, 112118699), (198, 101926090), (210, 96101742), (220, 91733481), (231, 87365220), (252, 80084785), (308, 65523915), (315, 64067828), (330, 61155654), (385, 52419132), (396, 50963045), (420, 48050871), (462, 43682610), (495, 40770436), (630, 32033914), (660, 30577827), (693, 29121740), (770, 26209566), (924, 21841305), (990, 20385218), (1155, 17473044), (1260, 16016957), (1386, 14560870), (1540, 13104783), (1980, 10192609), (2310, 8736522), (2772, 7280435), (3465, 5824348), (4620, 4368261), (6930, 2912174), (13860, 1456087)]