20177471848

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{379}}^1\times {\mathrm{409}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 38868984000

約数和(自身を除く): 18691512152

約数列:

[1, 2, 4, 8, 53, 106, 212, 307, 379, 409, 424, 614, 758, 818, 1228, 1516, 1636, 2456, 3032, 3272, 16271, 20087, 21677, 32542, 40174, 43354, 65084, 80348, 86708, 116353, 125563, 130168, 155011, 160696, 173416, 232706, 251126, 310022, 465412, 502252, 620044, 930824, 1004504, 1240088, 6166709, 6654839, 8215583, 12333418, 13309678, 16431166, 24666836, 26619356, 32862332, 47588377, 49333672, 53238712, 65724664, 95176754, 190353508, 380707016, 2522183981, 5044367962, 10088735924, 20177471848]

約数ペア:

[(1, 20177471848), (2, 10088735924), (4, 5044367962), (8, 2522183981), (53, 380707016), (106, 190353508), (212, 95176754), (307, 65724664), (379, 53238712), (409, 49333672), (424, 47588377), (614, 32862332), (758, 26619356), (818, 24666836), (1228, 16431166), (1516, 13309678), (1636, 12333418), (2456, 8215583), (3032, 6654839), (3272, 6166709), (16271, 1240088), (20087, 1004504), (21677, 930824), (32542, 620044), (40174, 502252), (43354, 465412), (65084, 310022), (80348, 251126), (86708, 232706), (116353, 173416), (125563, 160696), (130168, 155011)]