20163860395

素因数分解:

$5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{4243}}^1$

素因数の和:4449

約数の個数: 64

約数和(自身を含む): 30067891200

約数和(自身を除く): 9904030805

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 163, 245, 343, 595, 815, 833, 1141, 1715, 2771, 4165, 4243, 5705, 5831, 7987, 13855, 19397, 21215, 29155, 29701, 39935, 55909, 72131, 96985, 135779, 148505, 207907, 279545, 360655, 504917, 678895, 691609, 950453, 1039535, 1455349, 2524585, 3458045, 3534419, 4752265, 4841263, 7276745, 11757353, 17672095, 24206315, 24740933, 33888841, 58786765, 82301471, 123704665, 169444205, 237221887, 411507355, 576110297, 1186109435, 2880551485, 4032772079, 20163860395]

約数ペア:

[(1, 20163860395), (5, 4032772079), (7, 2880551485), (17, 1186109435), (35, 576110297), (49, 411507355), (85, 237221887), (119, 169444205), (163, 123704665), (245, 82301471), (343, 58786765), (595, 33888841), (815, 24740933), (833, 24206315), (1141, 17672095), (1715, 11757353), (2771, 7276745), (4165, 4841263), (4243, 4752265), (5705, 3534419), (5831, 3458045), (7987, 2524585), (13855, 1455349), (19397, 1039535), (21215, 950453), (29155, 691609), (29701, 678895), (39935, 504917), (55909, 360655), (72131, 279545), (96985, 207907), (135779, 148505)]