20537040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{85571}}^1$

素因数の和:85587

約数の個数: 40

約数和(自身を含む): 63665568

約数和(自身を除く): 43128528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 85571, 171142, 256713, 342284, 427855, 513426, 684568, 855710, 1026852, 1283565, 1369136, 1711420, 2053704, 2567130, 3422840, 4107408, 5134260, 6845680, 10268520, 20537040]

約数ペア:

[(1, 20537040), (2, 10268520), (3, 6845680), (4, 5134260), (5, 4107408), (6, 3422840), (8, 2567130), (10, 2053704), (12, 1711420), (15, 1369136), (16, 1283565), (20, 1026852), (24, 855710), (30, 684568), (40, 513426), (48, 427855), (60, 342284), (80, 256713), (120, 171142), (240, 85571)]