20726637652

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1\times {\mathrm{40093}}^1$

素因数の和:40640

約数の個数: 48

約数和(自身を含む): 42660016000

約数和(自身を除く): 21933378348

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 499, 518, 998, 1036, 1996, 3493, 6986, 13972, 18463, 36926, 40093, 73852, 80186, 129241, 160372, 258482, 280651, 516964, 561302, 1122604, 1483441, 2966882, 5933764, 10384087, 20006407, 20768174, 40012814, 41536348, 80025628, 140044849, 280089698, 560179396, 740237059, 1480474118, 2960948236, 5181659413, 10363318826, 20726637652]

約数ペア:

[(1, 20726637652), (2, 10363318826), (4, 5181659413), (7, 2960948236), (14, 1480474118), (28, 740237059), (37, 560179396), (74, 280089698), (148, 140044849), (259, 80025628), (499, 41536348), (518, 40012814), (998, 20768174), (1036, 20006407), (1996, 10384087), (3493, 5933764), (6986, 2966882), (13972, 1483441), (18463, 1122604), (36926, 561302), (40093, 516964), (73852, 280651), (80186, 258482), (129241, 160372)]