20022960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4391}}^1$

素因数の和:4426

約数の個数: 80

約数和(自身を含む): 65352960

約数和(自身を除く): 45330000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4391, 4560, 8782, 13173, 17564, 21955, 26346, 35128, 43910, 52692, 65865, 70256, 83429, 87820, 105384, 131730, 166858, 175640, 210768, 250287, 263460, 333716, 351280, 417145, 500574, 526920, 667432, 834290, 1001148, 1053840, 1251435, 1334864, 1668580, 2002296, 2502870, 3337160, 4004592, 5005740, 6674320, 10011480, 20022960]

約数ペア:

[(1, 20022960), (2, 10011480), (3, 6674320), (4, 5005740), (5, 4004592), (6, 3337160), (8, 2502870), (10, 2002296), (12, 1668580), (15, 1334864), (16, 1251435), (19, 1053840), (20, 1001148), (24, 834290), (30, 667432), (38, 526920), (40, 500574), (48, 417145), (57, 351280), (60, 333716), (76, 263460), (80, 250287), (95, 210768), (114, 175640), (120, 166858), (152, 131730), (190, 105384), (228, 87820), (240, 83429), (285, 70256), (304, 65865), (380, 52692), (456, 43910), (570, 35128), (760, 26346), (912, 21955), (1140, 17564), (1520, 13173), (2280, 8782), (4391, 4560)]