20347819923

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{23687}}^1$

素因数の和:23907

約数の個数: 32

約数和(自身を含む): 28516561920

約数和(自身を除く): 8168741997

約数列:

[1, 3, 37, 71, 109, 111, 213, 327, 2627, 4033, 7739, 7881, 12099, 23217, 23687, 71061, 286343, 859029, 876419, 1681777, 2581883, 2629257, 5045331, 7745649, 62225749, 95529671, 183313693, 186677247, 286589013, 549941079, 6782606641, 20347819923]

約数ペア:

[(1, 20347819923), (3, 6782606641), (37, 549941079), (71, 286589013), (109, 186677247), (111, 183313693), (213, 95529671), (327, 62225749), (2627, 7745649), (4033, 5045331), (7739, 2629257), (7881, 2581883), (12099, 1681777), (23217, 876419), (23687, 859029), (71061, 286343)]