20139730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:751

約数の個数: 48

約数和(自身を含む): 41622984

約数和(自身を除く): 21483254

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 169, 170, 221, 338, 442, 701, 845, 1105, 1402, 1690, 2210, 2873, 3505, 5746, 7010, 9113, 11917, 14365, 18226, 23834, 28730, 45565, 59585, 91130, 118469, 119170, 154921, 236938, 309842, 592345, 774605, 1184690, 1549210, 2013973, 4027946, 10069865, 20139730]

約数ペア:

[(1, 20139730), (2, 10069865), (5, 4027946), (10, 2013973), (13, 1549210), (17, 1184690), (26, 774605), (34, 592345), (65, 309842), (85, 236938), (130, 154921), (169, 119170), (170, 118469), (221, 91130), (338, 59585), (442, 45565), (701, 28730), (845, 23834), (1105, 18226), (1402, 14365), (1690, 11917), (2210, 9113), (2873, 7010), (3505, 5746)]