20610436

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1180

約数の個数: 48

約数和(自身を含む): 45747072

約数和(自身を除く): 25136636

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 61, 77, 122, 154, 244, 308, 427, 671, 854, 1097, 1342, 1708, 2194, 2684, 4388, 4697, 7679, 9394, 12067, 15358, 18788, 24134, 30716, 48268, 66917, 84469, 133834, 168938, 267668, 337876, 468419, 736087, 936838, 1472174, 1873676, 2944348, 5152609, 10305218, 20610436]

約数ペア:

[(1, 20610436), (2, 10305218), (4, 5152609), (7, 2944348), (11, 1873676), (14, 1472174), (22, 936838), (28, 736087), (44, 468419), (61, 337876), (77, 267668), (122, 168938), (154, 133834), (244, 84469), (308, 66917), (427, 48268), (671, 30716), (854, 24134), (1097, 18788), (1342, 15358), (1708, 12067), (2194, 9394), (2684, 7679), (4388, 4697)]