20129406018

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{247649}}^1$

素因数の和:247727

約数の個数: 64

約数和(自身を含む): 45646848000

約数和(自身を除く): 25517441982

約数列:

[1, 2, 3, 6, 19, 23, 31, 38, 46, 57, 62, 69, 93, 114, 138, 186, 437, 589, 713, 874, 1178, 1311, 1426, 1767, 2139, 2622, 3534, 4278, 13547, 27094, 40641, 81282, 247649, 495298, 742947, 1485894, 4705331, 5695927, 7677119, 9410662, 11391854, 14115993, 15354238, 17087781, 23031357, 28231986, 34175562, 46062714, 108222613, 145865261, 176573737, 216445226, 291730522, 324667839, 353147474, 437595783, 529721211, 649335678, 875191566, 1059442422, 3354901003, 6709802006, 10064703009, 20129406018]

約数ペア:

[(1, 20129406018), (2, 10064703009), (3, 6709802006), (6, 3354901003), (19, 1059442422), (23, 875191566), (31, 649335678), (38, 529721211), (46, 437595783), (57, 353147474), (62, 324667839), (69, 291730522), (93, 216445226), (114, 176573737), (138, 145865261), (186, 108222613), (437, 46062714), (589, 34175562), (713, 28231986), (874, 23031357), (1178, 17087781), (1311, 15354238), (1426, 14115993), (1767, 11391854), (2139, 9410662), (2622, 7677119), (3534, 5695927), (4278, 4705331), (13547, 1485894), (27094, 742947), (40641, 495298), (81282, 247649)]