20126759828

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1\times {\mathrm{5651}}^1$

素因数の和:6764

約数の個数: 48

約数和(自身を含む): 40609755648

約数和(自身を除く): 20482995820

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 971, 1834, 1942, 3668, 3884, 5651, 6797, 11302, 13594, 22604, 27188, 39557, 79114, 127201, 158228, 254402, 508804, 740281, 890407, 1480562, 1780814, 2961124, 3561628, 5181967, 5487121, 10363934, 10974242, 20727868, 21948484, 38409847, 76819694, 153639388, 718812851, 1437625702, 2875251404, 5031689957, 10063379914, 20126759828]

約数ペア:

[(1, 20126759828), (2, 10063379914), (4, 5031689957), (7, 2875251404), (14, 1437625702), (28, 718812851), (131, 153639388), (262, 76819694), (524, 38409847), (917, 21948484), (971, 20727868), (1834, 10974242), (1942, 10363934), (3668, 5487121), (3884, 5181967), (5651, 3561628), (6797, 2961124), (11302, 1780814), (13594, 1480562), (22604, 890407), (27188, 740281), (39557, 508804), (79114, 254402), (127201, 158228)]