20205909328

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{318023}}^1$

素因数の和:318080

約数の個数: 60

約数和(自身を含む): 45074177568

約数和(自身を除く): 24868268240

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 361, 418, 722, 836, 1444, 1672, 2888, 3344, 3971, 5776, 7942, 15884, 31768, 63536, 318023, 636046, 1272092, 2544184, 3498253, 5088368, 6042437, 6996506, 12084874, 13993012, 24169748, 27986024, 48339496, 55972048, 66466807, 96678992, 114806303, 132933614, 229612606, 265867228, 459225212, 531734456, 918450424, 1063468912, 1262869333, 1836900848, 2525738666, 5051477332, 10102954664, 20205909328]

約数ペア:

[(1, 20205909328), (2, 10102954664), (4, 5051477332), (8, 2525738666), (11, 1836900848), (16, 1262869333), (19, 1063468912), (22, 918450424), (38, 531734456), (44, 459225212), (76, 265867228), (88, 229612606), (152, 132933614), (176, 114806303), (209, 96678992), (304, 66466807), (361, 55972048), (418, 48339496), (722, 27986024), (836, 24169748), (1444, 13993012), (1672, 12084874), (2888, 6996506), (3344, 6042437), (3971, 5088368), (5776, 3498253), (7942, 2544184), (15884, 1272092), (31768, 636046), (63536, 318023)]