20498640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85411}}^1$

素因数の和:85427

約数の個数: 40

約数和(自身を含む): 63546528

約数和(自身を除く): 43047888

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85411, 170822, 256233, 341644, 427055, 512466, 683288, 854110, 1024932, 1281165, 1366576, 1708220, 2049864, 2562330, 3416440, 4099728, 5124660, 6832880, 10249320, 20498640]

約数ペア:

[(1, 20498640), (2, 10249320), (3, 6832880), (4, 5124660), (5, 4099728), (6, 3416440), (8, 2562330), (10, 2049864), (12, 1708220), (15, 1366576), (16, 1281165), (20, 1024932), (24, 854110), (30, 683288), (40, 512466), (48, 427055), (60, 341644), (80, 256233), (120, 170822), (240, 85411)]