20187398

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{701}}^1$

素因数の和:749

約数の個数: 48

約数和(自身を含む): 40334112

約数和(自身を除く): 20146714

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 121, 154, 187, 238, 242, 374, 701, 847, 1309, 1402, 1694, 2057, 2618, 4114, 4907, 7711, 9814, 11917, 14399, 15422, 23834, 28798, 53977, 83419, 84821, 107954, 131087, 166838, 169642, 262174, 593747, 917609, 1187494, 1441957, 1835218, 2883914, 10093699, 20187398]

約数ペア:

[(1, 20187398), (2, 10093699), (7, 2883914), (11, 1835218), (14, 1441957), (17, 1187494), (22, 917609), (34, 593747), (77, 262174), (119, 169642), (121, 166838), (154, 131087), (187, 107954), (238, 84821), (242, 83419), (374, 53977), (701, 28798), (847, 23834), (1309, 15422), (1402, 14399), (1694, 11917), (2057, 9814), (2618, 7711), (4114, 4907)]