20278315696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{659}}^1\times {\mathrm{62039}}^1$

素因数の和:62737

約数の個数: 40

約数和(自身を含む): 40618828800

約数和(自身を除く): 20340513104

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 659, 1318, 2636, 5272, 10544, 20429, 40858, 62039, 81716, 124078, 163432, 248156, 326864, 496312, 992624, 1923209, 3846418, 7692836, 15385672, 30771344, 40883701, 81767402, 163534804, 327069608, 654139216, 1267394731, 2534789462, 5069578924, 10139157848, 20278315696]

約数ペア:

[(1, 20278315696), (2, 10139157848), (4, 5069578924), (8, 2534789462), (16, 1267394731), (31, 654139216), (62, 327069608), (124, 163534804), (248, 81767402), (496, 40883701), (659, 30771344), (1318, 15385672), (2636, 7692836), (5272, 3846418), (10544, 1923209), (20429, 992624), (40858, 496312), (62039, 326864), (81716, 248156), (124078, 163432)]