20698380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1949}}^1$

素因数の和:2023

約数の個数: 72

約数和(自身を含む): 63882000

約数和(自身を除く): 43183620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 1949, 2124, 2655, 3540, 3898, 5310, 5847, 7796, 9745, 10620, 11694, 17541, 19490, 23388, 29235, 35082, 38980, 58470, 70164, 87705, 114991, 116940, 175410, 229982, 344973, 350820, 459964, 574955, 689946, 1034919, 1149910, 1379892, 1724865, 2069838, 2299820, 3449730, 4139676, 5174595, 6899460, 10349190, 20698380]

約数ペア:

[(1, 20698380), (2, 10349190), (3, 6899460), (4, 5174595), (5, 4139676), (6, 3449730), (9, 2299820), (10, 2069838), (12, 1724865), (15, 1379892), (18, 1149910), (20, 1034919), (30, 689946), (36, 574955), (45, 459964), (59, 350820), (60, 344973), (90, 229982), (118, 175410), (177, 116940), (180, 114991), (236, 87705), (295, 70164), (354, 58470), (531, 38980), (590, 35082), (708, 29235), (885, 23388), (1062, 19490), (1180, 17541), (1770, 11694), (1949, 10620), (2124, 9745), (2655, 7796), (3540, 5847), (3898, 5310)]