20345748478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1470281}}^1$

素因数の和:1470348

約数の個数: 32

約数和(自身を含む): 36204223968

約数和(自身を除く): 15858475490

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 6919, 13838, 1470281, 2940562, 16173091, 24994777, 32346182, 49989554, 54400397, 108800794, 274942547, 549885094, 598404367, 924806749, 1196808734, 1849613498, 10172874239, 20345748478]

約数ペア:

[(1, 20345748478), (2, 10172874239), (11, 1849613498), (17, 1196808734), (22, 924806749), (34, 598404367), (37, 549885094), (74, 274942547), (187, 108800794), (374, 54400397), (407, 49989554), (629, 32346182), (814, 24994777), (1258, 16173091), (6919, 2940562), (13838, 1470281)]