20594860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 33030740

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 190, 209, 220, 247, 260, 286, 379, 380, 418, 494, 572, 715, 758, 836, 988, 1045, 1235, 1430, 1516, 1895, 2090, 2470, 2717, 2860, 3790, 4169, 4180, 4927, 4940, 5434, 7201, 7580, 8338, 9854, 10868, 13585, 14402, 16676, 19708, 20845, 24635, 27170, 28804, 36005, 41690, 49270, 54197, 54340, 72010, 79211, 83380, 93613, 98540, 108394, 144020, 158422, 187226, 216788, 270985, 316844, 374452, 396055, 468065, 541970, 792110, 936130, 1029743, 1083940, 1584220, 1872260, 2059486, 4118972, 5148715, 10297430, 20594860]

約数ペア:

[(1, 20594860), (2, 10297430), (4, 5148715), (5, 4118972), (10, 2059486), (11, 1872260), (13, 1584220), (19, 1083940), (20, 1029743), (22, 936130), (26, 792110), (38, 541970), (44, 468065), (52, 396055), (55, 374452), (65, 316844), (76, 270985), (95, 216788), (110, 187226), (130, 158422), (143, 144020), (190, 108394), (209, 98540), (220, 93613), (247, 83380), (260, 79211), (286, 72010), (379, 54340), (380, 54197), (418, 49270), (494, 41690), (572, 36005), (715, 28804), (758, 27170), (836, 24635), (988, 20845), (1045, 19708), (1235, 16676), (1430, 14402), (1516, 13585), (1895, 10868), (2090, 9854), (2470, 8338), (2717, 7580), (2860, 7201), (3790, 5434), (4169, 4940), (4180, 4927)]