20671896

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4243}}^1$

素因数の和:4288

約数の個数: 64

約数和(自身を含む): 61113600

約数和(自身を除く): 40441704

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 29, 42, 56, 58, 84, 87, 116, 168, 174, 203, 232, 348, 406, 609, 696, 812, 1218, 1624, 2436, 4243, 4872, 8486, 12729, 16972, 25458, 29701, 33944, 50916, 59402, 89103, 101832, 118804, 123047, 178206, 237608, 246094, 356412, 369141, 492188, 712824, 738282, 861329, 984376, 1476564, 1722658, 2583987, 2953128, 3445316, 5167974, 6890632, 10335948, 20671896]

約数ペア:

[(1, 20671896), (2, 10335948), (3, 6890632), (4, 5167974), (6, 3445316), (7, 2953128), (8, 2583987), (12, 1722658), (14, 1476564), (21, 984376), (24, 861329), (28, 738282), (29, 712824), (42, 492188), (56, 369141), (58, 356412), (84, 246094), (87, 237608), (116, 178206), (168, 123047), (174, 118804), (203, 101832), (232, 89103), (348, 59402), (406, 50916), (609, 33944), (696, 29701), (812, 25458), (1218, 16972), (1624, 12729), (2436, 8486), (4243, 4872)]