20082790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{761}}^1$

素因数の和:817

約数の個数: 64

約数和(自身を含む): 46085760

約数和(自身を除く): 26002970

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 29, 35, 58, 65, 70, 91, 130, 145, 182, 203, 290, 377, 406, 455, 754, 761, 910, 1015, 1522, 1885, 2030, 2639, 3770, 3805, 5278, 5327, 7610, 9893, 10654, 13195, 19786, 22069, 26390, 26635, 44138, 49465, 53270, 69251, 98930, 110345, 138502, 154483, 220690, 286897, 308966, 346255, 573794, 692510, 772415, 1434485, 1544830, 2008279, 2868970, 4016558, 10041395, 20082790]

約数ペア:

[(1, 20082790), (2, 10041395), (5, 4016558), (7, 2868970), (10, 2008279), (13, 1544830), (14, 1434485), (26, 772415), (29, 692510), (35, 573794), (58, 346255), (65, 308966), (70, 286897), (91, 220690), (130, 154483), (145, 138502), (182, 110345), (203, 98930), (290, 69251), (377, 53270), (406, 49465), (455, 44138), (754, 26635), (761, 26390), (910, 22069), (1015, 19786), (1522, 13195), (1885, 10654), (2030, 9893), (2639, 7610), (3770, 5327), (3805, 5278)]