20804977922

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1103}}^1\times {\mathrm{4639}}^1$

素因数の和:5870

約数の個数: 32

約数和(自身を含む): 33194188800

約数和(自身を除く): 12389210878

約数列:

[1, 2, 19, 38, 107, 214, 1103, 2033, 2206, 4066, 4639, 9278, 20957, 41914, 88141, 118021, 176282, 236042, 496373, 992746, 2242399, 4484798, 5116817, 9431087, 10233634, 18862174, 97219523, 194439046, 547499419, 1094998838, 10402488961, 20804977922]

約数ペア:

[(1, 20804977922), (2, 10402488961), (19, 1094998838), (38, 547499419), (107, 194439046), (214, 97219523), (1103, 18862174), (2033, 10233634), (2206, 9431087), (4066, 5116817), (4639, 4484798), (9278, 2242399), (20957, 992746), (41914, 496373), (88141, 236042), (118021, 176282)]