20147485772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{105997}}^1$

素因数の和:106122

約数の個数: 48

約数和(自身を含む): 38642630880

約数和(自身を除く): 18495145108

約数列:

[1, 2, 4, 19, 38, 41, 61, 76, 82, 122, 164, 244, 779, 1159, 1558, 2318, 2501, 3116, 4636, 5002, 10004, 47519, 95038, 105997, 190076, 211994, 423988, 2013943, 4027886, 4345877, 6465817, 8055772, 8691754, 12931634, 17383508, 25863268, 82571663, 122850523, 165143326, 245701046, 265098497, 330286652, 491402092, 530196994, 1060393988, 5036871443, 10073742886, 20147485772]

約数ペア:

[(1, 20147485772), (2, 10073742886), (4, 5036871443), (19, 1060393988), (38, 530196994), (41, 491402092), (61, 330286652), (76, 265098497), (82, 245701046), (122, 165143326), (164, 122850523), (244, 82571663), (779, 25863268), (1159, 17383508), (1558, 12931634), (2318, 8691754), (2501, 8055772), (3116, 6465817), (4636, 4345877), (5002, 4027886), (10004, 2013943), (47519, 423988), (95038, 211994), (105997, 190076)]