20922210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7499}}^1$

素因数の和:7543

約数の個数: 48

約数和(自身を含む): 56160000

約数和(自身を除く): 35237790

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7499, 14998, 22497, 37495, 44994, 67491, 74990, 112485, 134982, 224970, 232469, 337455, 464938, 674910, 697407, 1162345, 1394814, 2092221, 2324690, 3487035, 4184442, 6974070, 10461105, 20922210]

約数ペア:

[(1, 20922210), (2, 10461105), (3, 6974070), (5, 4184442), (6, 3487035), (9, 2324690), (10, 2092221), (15, 1394814), (18, 1162345), (30, 697407), (31, 674910), (45, 464938), (62, 337455), (90, 232469), (93, 224970), (155, 134982), (186, 112485), (279, 74990), (310, 67491), (465, 44994), (558, 37495), (930, 22497), (1395, 14998), (2790, 7499)]