20178036860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1\times {\mathrm{1427}}^1$

素因数の和:1875

約数の個数: 96

約数和(自身を含む): 45140336640

約数和(自身を除く): 24962299780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 293, 380, 508, 586, 635, 1172, 1270, 1427, 1465, 2413, 2540, 2854, 2930, 4826, 5567, 5708, 5860, 7135, 9652, 11134, 12065, 14270, 22268, 24130, 27113, 27835, 28540, 37211, 48260, 54226, 55670, 74422, 108452, 111340, 135565, 148844, 181229, 186055, 271130, 362458, 372110, 418111, 542260, 707009, 724916, 744220, 836222, 906145, 1414018, 1672444, 1812290, 2090555, 2828036, 3443351, 3535045, 3624580, 4181110, 6886702, 7070090, 7944109, 8362220, 13773404, 14140180, 15888218, 17216755, 31776436, 34433510, 39720545, 53100097, 68867020, 79441090, 106200194, 158882180, 212400388, 265500485, 531000970, 1008901843, 1062001940, 2017803686, 4035607372, 5044509215, 10089018430, 20178036860]

約数ペア:

[(1, 20178036860), (2, 10089018430), (4, 5044509215), (5, 4035607372), (10, 2017803686), (19, 1062001940), (20, 1008901843), (38, 531000970), (76, 265500485), (95, 212400388), (127, 158882180), (190, 106200194), (254, 79441090), (293, 68867020), (380, 53100097), (508, 39720545), (586, 34433510), (635, 31776436), (1172, 17216755), (1270, 15888218), (1427, 14140180), (1465, 13773404), (2413, 8362220), (2540, 7944109), (2854, 7070090), (2930, 6886702), (4826, 4181110), (5567, 3624580), (5708, 3535045), (5860, 3443351), (7135, 2828036), (9652, 2090555), (11134, 1812290), (12065, 1672444), (14270, 1414018), (22268, 906145), (24130, 836222), (27113, 744220), (27835, 724916), (28540, 707009), (37211, 542260), (48260, 418111), (54226, 372110), (55670, 362458), (74422, 271130), (108452, 186055), (111340, 181229), (135565, 148844)]