20163665678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{2549}}^1$

素因数の和:2889

約数の個数: 64

約数和(自身を含む): 34957440000

約数和(自身を除く): 14793774322

約数列:

[1, 2, 13, 19, 26, 38, 67, 134, 239, 247, 478, 494, 871, 1273, 1742, 2546, 2549, 3107, 4541, 5098, 6214, 9082, 16013, 16549, 32026, 33098, 33137, 48431, 59033, 66274, 96862, 118066, 170783, 208169, 304247, 341566, 416338, 608494, 609211, 629603, 1218422, 1259206, 2220179, 3244877, 3955211, 4440358, 6489754, 7910422, 7919743, 11575009, 15839486, 23150018, 40817137, 42183401, 81634274, 84366802, 150475117, 300950234, 530622781, 775525603, 1061245562, 1551051206, 10081832839, 20163665678]

約数ペア:

[(1, 20163665678), (2, 10081832839), (13, 1551051206), (19, 1061245562), (26, 775525603), (38, 530622781), (67, 300950234), (134, 150475117), (239, 84366802), (247, 81634274), (478, 42183401), (494, 40817137), (871, 23150018), (1273, 15839486), (1742, 11575009), (2546, 7919743), (2549, 7910422), (3107, 6489754), (4541, 4440358), (5098, 3955211), (6214, 3244877), (9082, 2220179), (16013, 1259206), (16549, 1218422), (32026, 629603), (33098, 609211), (33137, 608494), (48431, 416338), (59033, 341566), (66274, 304247), (96862, 208169), (118066, 170783)]