20508450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2909}}^1$

素因数の和:2971

約数の個数: 48

約数和(自身を含む): 51960960

約数和(自身を除く): 31452510

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 141, 150, 235, 282, 470, 705, 1175, 1410, 2350, 2909, 3525, 5818, 7050, 8727, 14545, 17454, 29090, 43635, 72725, 87270, 136723, 145450, 218175, 273446, 410169, 436350, 683615, 820338, 1367230, 2050845, 3418075, 4101690, 6836150, 10254225, 20508450]

約数ペア:

[(1, 20508450), (2, 10254225), (3, 6836150), (5, 4101690), (6, 3418075), (10, 2050845), (15, 1367230), (25, 820338), (30, 683615), (47, 436350), (50, 410169), (75, 273446), (94, 218175), (141, 145450), (150, 136723), (235, 87270), (282, 72725), (470, 43635), (705, 29090), (1175, 17454), (1410, 14545), (2350, 8727), (2909, 7050), (3525, 5818)]