20174503648

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{795023}}^1$

素因数の和:795107

約数の個数: 48

約数和(自身を含む): 43475092416

約数和(自身を除く): 23300588768

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 208, 244, 416, 488, 793, 976, 1586, 1952, 3172, 6344, 12688, 25376, 795023, 1590046, 3180092, 6360184, 10335299, 12720368, 20670598, 25440736, 41341196, 48496403, 82682392, 96992806, 165364784, 193985612, 330729568, 387971224, 630453239, 775942448, 1260906478, 1551884896, 2521812956, 5043625912, 10087251824, 20174503648]

約数ペア:

[(1, 20174503648), (2, 10087251824), (4, 5043625912), (8, 2521812956), (13, 1551884896), (16, 1260906478), (26, 775942448), (32, 630453239), (52, 387971224), (61, 330729568), (104, 193985612), (122, 165364784), (208, 96992806), (244, 82682392), (416, 48496403), (488, 41341196), (793, 25440736), (976, 20670598), (1586, 12720368), (1952, 10335299), (3172, 6360184), (6344, 3180092), (12688, 1590046), (25376, 795023)]