20762782646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{65381}}^1$

素因数の和:65600

約数の個数: 32

約数和(自身を含む): 33564503520

約数和(自身を除く): 12801720874

約数列:

[1, 2, 19, 38, 61, 122, 137, 274, 1159, 2318, 2603, 5206, 8357, 16714, 65381, 130762, 158783, 317566, 1242239, 2484478, 3988241, 7976482, 8957197, 17914394, 75776579, 151553158, 170186743, 340373486, 546389017, 1092778034, 10381391323, 20762782646]

約数ペア:

[(1, 20762782646), (2, 10381391323), (19, 1092778034), (38, 546389017), (61, 340373486), (122, 170186743), (137, 151553158), (274, 75776579), (1159, 17914394), (2318, 8957197), (2603, 7976482), (5206, 3988241), (8357, 2484478), (16714, 1242239), (65381, 317566), (130762, 158783)]