20544240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85601}}^1$

素因数の和:85617

約数の個数: 40

約数和(自身を含む): 63687888

約数和(自身を除く): 43143648

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85601, 171202, 256803, 342404, 428005, 513606, 684808, 856010, 1027212, 1284015, 1369616, 1712020, 2054424, 2568030, 3424040, 4108848, 5136060, 6848080, 10272120, 20544240]

約数ペア:

[(1, 20544240), (2, 10272120), (3, 6848080), (4, 5136060), (5, 4108848), (6, 3424040), (8, 2568030), (10, 2054424), (12, 1712020), (15, 1369616), (16, 1284015), (20, 1027212), (24, 856010), (30, 684808), (40, 513606), (48, 428005), (60, 342404), (80, 256803), (120, 171202), (240, 85601)]