20704920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172541}}^1$

素因数の和:172555

約数の個数: 32

約数和(自身を含む): 62115120

約数和(自身を除く): 41410200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172541, 345082, 517623, 690164, 862705, 1035246, 1380328, 1725410, 2070492, 2588115, 3450820, 4140984, 5176230, 6901640, 10352460, 20704920]

約数ペア:

[(1, 20704920), (2, 10352460), (3, 6901640), (4, 5176230), (5, 4140984), (6, 3450820), (8, 2588115), (10, 2070492), (12, 1725410), (15, 1380328), (20, 1035246), (24, 862705), (30, 690164), (40, 517623), (60, 345082), (120, 172541)]