20132011880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1395

約数の個数: 128

約数和(自身を含む): 47361283200

約数和(自身を除く): 27229271320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 131, 164, 166, 205, 262, 328, 332, 410, 415, 524, 655, 664, 820, 830, 1048, 1129, 1310, 1640, 1660, 2258, 2620, 3320, 3403, 4516, 5240, 5371, 5645, 6806, 9032, 10742, 10873, 11290, 13612, 17015, 21484, 21746, 22580, 26855, 27224, 34030, 42968, 43492, 45160, 46289, 53710, 54365, 68060, 86984, 92578, 93707, 107420, 108730, 136120, 147899, 185156, 187414, 214840, 217460, 231445, 295798, 370312, 374828, 434920, 445793, 462890, 468535, 591596, 739495, 749656, 891586, 925780, 937070, 1183192, 1478990, 1783172, 1851560, 1874140, 2228965, 2957980, 3566344, 3748280, 3841987, 4457930, 5915960, 6063859, 7683974, 8915860, 12127718, 12275617, 15367948, 17831720, 19209935, 24255436, 24551234, 30319295, 30735896, 38419870, 48510872, 49102468, 60638590, 61378085, 76839740, 98204936, 121277180, 122756170, 153679480, 242554360, 245512340, 491024680, 503300297, 1006600594, 2013201188, 2516501485, 4026402376, 5033002970, 10066005940, 20132011880]

約数ペア:

[(1, 20132011880), (2, 10066005940), (4, 5033002970), (5, 4026402376), (8, 2516501485), (10, 2013201188), (20, 1006600594), (40, 503300297), (41, 491024680), (82, 245512340), (83, 242554360), (131, 153679480), (164, 122756170), (166, 121277180), (205, 98204936), (262, 76839740), (328, 61378085), (332, 60638590), (410, 49102468), (415, 48510872), (524, 38419870), (655, 30735896), (664, 30319295), (820, 24551234), (830, 24255436), (1048, 19209935), (1129, 17831720), (1310, 15367948), (1640, 12275617), (1660, 12127718), (2258, 8915860), (2620, 7683974), (3320, 6063859), (3403, 5915960), (4516, 4457930), (5240, 3841987), (5371, 3748280), (5645, 3566344), (6806, 2957980), (9032, 2228965), (10742, 1874140), (10873, 1851560), (11290, 1783172), (13612, 1478990), (17015, 1183192), (21484, 937070), (21746, 925780), (22580, 891586), (26855, 749656), (27224, 739495), (34030, 591596), (42968, 468535), (43492, 462890), (45160, 445793), (46289, 434920), (53710, 374828), (54365, 370312), (68060, 295798), (86984, 231445), (92578, 217460), (93707, 214840), (107420, 187414), (108730, 185156), (136120, 147899)]