20035600

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3853}}^1$

素因数の和:3884

約数の個数: 60

約数和(自身を含む): 51851716

約数和(自身を除く): 31816116

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 3853, 5200, 7706, 15412, 19265, 30824, 38530, 50089, 61648, 77060, 96325, 100178, 154120, 192650, 200356, 250445, 308240, 385300, 400712, 500890, 770600, 801424, 1001780, 1252225, 1541200, 2003560, 2504450, 4007120, 5008900, 10017800, 20035600]

約数ペア:

[(1, 20035600), (2, 10017800), (4, 5008900), (5, 4007120), (8, 2504450), (10, 2003560), (13, 1541200), (16, 1252225), (20, 1001780), (25, 801424), (26, 770600), (40, 500890), (50, 400712), (52, 385300), (65, 308240), (80, 250445), (100, 200356), (104, 192650), (130, 154120), (200, 100178), (208, 96325), (260, 77060), (325, 61648), (400, 50089), (520, 38530), (650, 30824), (1040, 19265), (1300, 15412), (2600, 7706), (3853, 5200)]