20121557772

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{1559}}^1\times {\mathrm{25013}}^1$

素因数の和:26622

約数の個数: 48

約数和(自身を含む): 48074906880

約数和(自身を除く): 27953349108

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 1559, 3118, 4677, 6236, 9354, 18708, 25013, 50026, 67037, 75039, 100052, 134074, 150078, 201111, 268148, 300156, 402222, 804444, 1075559, 2151118, 3226677, 4302236, 6453354, 12906708, 38995267, 77990534, 116985801, 155981068, 233971602, 467943204, 1676796481, 3353592962, 5030389443, 6707185924, 10060778886, 20121557772]

約数ペア:

[(1, 20121557772), (2, 10060778886), (3, 6707185924), (4, 5030389443), (6, 3353592962), (12, 1676796481), (43, 467943204), (86, 233971602), (129, 155981068), (172, 116985801), (258, 77990534), (516, 38995267), (1559, 12906708), (3118, 6453354), (4677, 4302236), (6236, 3226677), (9354, 2151118), (18708, 1075559), (25013, 804444), (50026, 402222), (67037, 300156), (75039, 268148), (100052, 201111), (134074, 150078)]