20755410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2801}}^1$

素因数の和:2843

約数の個数: 64

約数和(自身を含む): 56488320

約数和(自身を除く): 35732910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2801, 3705, 5602, 7410, 8403, 14005, 16806, 28010, 36413, 42015, 53219, 72826, 84030, 106438, 109239, 159657, 182065, 218478, 266095, 319314, 364130, 532190, 546195, 691847, 798285, 1092390, 1383694, 1596570, 2075541, 3459235, 4151082, 6918470, 10377705, 20755410]

約数ペア:

[(1, 20755410), (2, 10377705), (3, 6918470), (5, 4151082), (6, 3459235), (10, 2075541), (13, 1596570), (15, 1383694), (19, 1092390), (26, 798285), (30, 691847), (38, 546195), (39, 532190), (57, 364130), (65, 319314), (78, 266095), (95, 218478), (114, 182065), (130, 159657), (190, 109239), (195, 106438), (247, 84030), (285, 72826), (390, 53219), (494, 42015), (570, 36413), (741, 28010), (1235, 16806), (1482, 14005), (2470, 8403), (2801, 7410), (3705, 5602)]