20545847568

素因数分解:

$2^4\times 3^2\times {\mathrm{521}}^1\times {\mathrm{273857}}^1$

素因数の和:274392

約数の個数: 60

約数和(自身を含む): 57610412028

約数和(自身を除く): 37064564460

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 521, 1042, 1563, 2084, 3126, 4168, 4689, 6252, 8336, 9378, 12504, 18756, 25008, 37512, 75024, 273857, 547714, 821571, 1095428, 1643142, 2190856, 2464713, 3286284, 4381712, 4929426, 6572568, 9858852, 13145136, 19717704, 39435408, 142679497, 285358994, 428038491, 570717988, 856076982, 1141435976, 1284115473, 1712153964, 2282871952, 2568230946, 3424307928, 5136461892, 6848615856, 10272923784, 20545847568]

約数ペア:

[(1, 20545847568), (2, 10272923784), (3, 6848615856), (4, 5136461892), (6, 3424307928), (8, 2568230946), (9, 2282871952), (12, 1712153964), (16, 1284115473), (18, 1141435976), (24, 856076982), (36, 570717988), (48, 428038491), (72, 285358994), (144, 142679497), (521, 39435408), (1042, 19717704), (1563, 13145136), (2084, 9858852), (3126, 6572568), (4168, 4929426), (4689, 4381712), (6252, 3286284), (8336, 2464713), (9378, 2190856), (12504, 1643142), (18756, 1095428), (25008, 821571), (37512, 547714), (75024, 273857)]