20342640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84761}}^1$

素因数の和:84777

約数の個数: 40

約数和(自身を含む): 63062928

約数和(自身を除く): 42720288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84761, 169522, 254283, 339044, 423805, 508566, 678088, 847610, 1017132, 1271415, 1356176, 1695220, 2034264, 2542830, 3390440, 4068528, 5085660, 6780880, 10171320, 20342640]

約数ペア:

[(1, 20342640), (2, 10171320), (3, 6780880), (4, 5085660), (5, 4068528), (6, 3390440), (8, 2542830), (10, 2034264), (12, 1695220), (15, 1356176), (16, 1271415), (20, 1017132), (24, 847610), (30, 678088), (40, 508566), (48, 423805), (60, 339044), (80, 254283), (120, 169522), (240, 84761)]