20780580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7369}}^1$

素因数の和:7428

約数の個数: 48

約数和(自身を含む): 59431680

約数和(自身を除く): 38651100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 94, 141, 188, 235, 282, 470, 564, 705, 940, 1410, 2820, 7369, 14738, 22107, 29476, 36845, 44214, 73690, 88428, 110535, 147380, 221070, 346343, 442140, 692686, 1039029, 1385372, 1731715, 2078058, 3463430, 4156116, 5195145, 6926860, 10390290, 20780580]

約数ペア:

[(1, 20780580), (2, 10390290), (3, 6926860), (4, 5195145), (5, 4156116), (6, 3463430), (10, 2078058), (12, 1731715), (15, 1385372), (20, 1039029), (30, 692686), (47, 442140), (60, 346343), (94, 221070), (141, 147380), (188, 110535), (235, 88428), (282, 73690), (470, 44214), (564, 36845), (705, 29476), (940, 22107), (1410, 14738), (2820, 7369)]