20157876840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1069951}}^1$

素因数の和:1070122

約数の個数: 64

約数和(自身を含む): 60858869760

約数和(自身を除く): 40700992920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 1069951, 2139902, 3209853, 4279804, 5349755, 6419706, 8559608, 10699510, 12839412, 16049265, 21399020, 25678824, 32098530, 42798040, 64197060, 128394120, 167982307, 335964614, 503946921, 671929228, 839911535, 1007893842, 1343858456, 1679823070, 2015787684, 2519734605, 3359646140, 4031575368, 5039469210, 6719292280, 10078938420, 20157876840]

約数ペア:

[(1, 20157876840), (2, 10078938420), (3, 6719292280), (4, 5039469210), (5, 4031575368), (6, 3359646140), (8, 2519734605), (10, 2015787684), (12, 1679823070), (15, 1343858456), (20, 1007893842), (24, 839911535), (30, 671929228), (40, 503946921), (60, 335964614), (120, 167982307), (157, 128394120), (314, 64197060), (471, 42798040), (628, 32098530), (785, 25678824), (942, 21399020), (1256, 16049265), (1570, 12839412), (1884, 10699510), (2355, 8559608), (3140, 6419706), (3768, 5349755), (4710, 4279804), (6280, 3209853), (9420, 2139902), (18840, 1069951)]