20207412

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{953}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 55560960

約数和(自身を除く): 35353548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 953, 1116, 1178, 1767, 1906, 2356, 2859, 3534, 3812, 5301, 5718, 7068, 8577, 10602, 11436, 17154, 18107, 21204, 29543, 34308, 36214, 54321, 59086, 72428, 88629, 108642, 118172, 162963, 177258, 217284, 265887, 325926, 354516, 531774, 561317, 651852, 1063548, 1122634, 1683951, 2245268, 3367902, 5051853, 6735804, 10103706, 20207412]

約数ペア:

[(1, 20207412), (2, 10103706), (3, 6735804), (4, 5051853), (6, 3367902), (9, 2245268), (12, 1683951), (18, 1122634), (19, 1063548), (31, 651852), (36, 561317), (38, 531774), (57, 354516), (62, 325926), (76, 265887), (93, 217284), (114, 177258), (124, 162963), (171, 118172), (186, 108642), (228, 88629), (279, 72428), (342, 59086), (372, 54321), (558, 36214), (589, 34308), (684, 29543), (953, 21204), (1116, 18107), (1178, 17154), (1767, 11436), (1906, 10602), (2356, 8577), (2859, 7068), (3534, 5718), (3812, 5301)]