20158470

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:667

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 35458938

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 41, 45, 54, 81, 82, 90, 123, 135, 162, 205, 246, 270, 369, 405, 410, 607, 615, 738, 810, 1107, 1214, 1230, 1821, 1845, 2214, 3035, 3321, 3642, 3690, 5463, 5535, 6070, 6642, 9105, 10926, 11070, 16389, 16605, 18210, 24887, 27315, 32778, 33210, 49167, 49774, 54630, 74661, 81945, 98334, 124435, 149322, 163890, 223983, 245835, 248870, 373305, 447966, 491670, 671949, 746610, 1119915, 1343898, 2015847, 2239830, 3359745, 4031694, 6719490, 10079235, 20158470]

約数ペア:

[(1, 20158470), (2, 10079235), (3, 6719490), (5, 4031694), (6, 3359745), (9, 2239830), (10, 2015847), (15, 1343898), (18, 1119915), (27, 746610), (30, 671949), (41, 491670), (45, 447966), (54, 373305), (81, 248870), (82, 245835), (90, 223983), (123, 163890), (135, 149322), (162, 124435), (205, 98334), (246, 81945), (270, 74661), (369, 54630), (405, 49774), (410, 49167), (607, 33210), (615, 32778), (738, 27315), (810, 24887), (1107, 18210), (1214, 16605), (1230, 16389), (1821, 11070), (1845, 10926), (2214, 9105), (3035, 6642), (3321, 6070), (3642, 5535), (3690, 5463)]