20123983495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3074711}}^1$

素因数の和:3074751

約数の個数: 32

約数和(自身を含む): 31878614016

約数和(自身を除く): 11754630521

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 3074711, 15373555, 21522977, 33821821, 52270087, 107614885, 169109105, 236752747, 261350435, 365890609, 574970957, 1183763735, 1829453045, 2874854785, 4024796699, 20123983495]

約数ペア:

[(1, 20123983495), (5, 4024796699), (7, 2874854785), (11, 1829453045), (17, 1183763735), (35, 574970957), (55, 365890609), (77, 261350435), (85, 236752747), (119, 169109105), (187, 107614885), (385, 52270087), (595, 33821821), (935, 21522977), (1309, 15373555), (6545, 3074711)]