20935260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12923}}^1$

素因数の和:12944

約数の個数: 60

約数和(自身を含む): 65679768

約数和(自身を除く): 44744508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12923, 25846, 38769, 51692, 64615, 77538, 116307, 129230, 155076, 193845, 232614, 258460, 348921, 387690, 465228, 581535, 697842, 775380, 1046763, 1163070, 1395684, 1744605, 2093526, 2326140, 3489210, 4187052, 5233815, 6978420, 10467630, 20935260]

約数ペア:

[(1, 20935260), (2, 10467630), (3, 6978420), (4, 5233815), (5, 4187052), (6, 3489210), (9, 2326140), (10, 2093526), (12, 1744605), (15, 1395684), (18, 1163070), (20, 1046763), (27, 775380), (30, 697842), (36, 581535), (45, 465228), (54, 387690), (60, 348921), (81, 258460), (90, 232614), (108, 193845), (135, 155076), (162, 129230), (180, 116307), (270, 77538), (324, 64615), (405, 51692), (540, 38769), (810, 25846), (1620, 12923)]