20862536

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1$

素因数の和:1325

約数の個数: 32

約数和(自身を含む): 41770080

約数和(自身を除く): 20907544

約数列:

[1, 2, 4, 8, 17, 34, 68, 131, 136, 262, 524, 1048, 1171, 2227, 2342, 4454, 4684, 8908, 9368, 17816, 19907, 39814, 79628, 153401, 159256, 306802, 613604, 1227208, 2607817, 5215634, 10431268, 20862536]

約数ペア:

[(1, 20862536), (2, 10431268), (4, 5215634), (8, 2607817), (17, 1227208), (34, 613604), (68, 306802), (131, 159256), (136, 153401), (262, 79628), (524, 39814), (1048, 19907), (1171, 17816), (2227, 9368), (2342, 8908), (4454, 4684)]