20347621084

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1\times {\mathrm{21319}}^1$

素因数の和:21802

約数の個数: 48

約数和(自身を含む): 41261875200

約数和(自身を除く): 20914254116

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 383, 623, 766, 1246, 1532, 2492, 2681, 5362, 10724, 21319, 34087, 42638, 68174, 85276, 136348, 149233, 238609, 298466, 477218, 596932, 954436, 1897391, 3794782, 7589564, 8165177, 13281737, 16330354, 26563474, 32660708, 53126948, 57156239, 114312478, 228624956, 726700753, 1453401506, 2906803012, 5086905271, 10173810542, 20347621084]

約数ペア:

[(1, 20347621084), (2, 10173810542), (4, 5086905271), (7, 2906803012), (14, 1453401506), (28, 726700753), (89, 228624956), (178, 114312478), (356, 57156239), (383, 53126948), (623, 32660708), (766, 26563474), (1246, 16330354), (1532, 13281737), (2492, 8165177), (2681, 7589564), (5362, 3794782), (10724, 1897391), (21319, 954436), (34087, 596932), (42638, 477218), (68174, 298466), (85276, 238609), (136348, 149233)]