20201471992

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167597}}^1$

素因数の和:167696

約数の個数: 64

約数和(自身を含む): 43642519200

約数和(自身を除く): 23441047208

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 61, 76, 104, 122, 152, 244, 247, 488, 494, 793, 988, 1159, 1586, 1976, 2318, 3172, 4636, 6344, 9272, 15067, 30134, 60268, 120536, 167597, 335194, 670388, 1340776, 2178761, 3184343, 4357522, 6368686, 8715044, 10223417, 12737372, 17430088, 20446834, 25474744, 40893668, 41396459, 81787336, 82792918, 132904421, 165585836, 194244923, 265808842, 331171672, 388489846, 531617684, 776979692, 1063235368, 1553959384, 2525183999, 5050367998, 10100735996, 20201471992]

約数ペア:

[(1, 20201471992), (2, 10100735996), (4, 5050367998), (8, 2525183999), (13, 1553959384), (19, 1063235368), (26, 776979692), (38, 531617684), (52, 388489846), (61, 331171672), (76, 265808842), (104, 194244923), (122, 165585836), (152, 132904421), (244, 82792918), (247, 81787336), (488, 41396459), (494, 40893668), (793, 25474744), (988, 20446834), (1159, 17430088), (1586, 12737372), (1976, 10223417), (2318, 8715044), (3172, 6368686), (4636, 4357522), (6344, 3184343), (9272, 2178761), (15067, 1340776), (30134, 670388), (60268, 335194), (120536, 167597)]