20341920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{42379}}^1$

素因数の和:42397

約数の個数: 48

約数和(自身を含む): 64078560

約数和(自身を除く): 43736640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 42379, 84758, 127137, 169516, 211895, 254274, 339032, 423790, 508548, 635685, 678064, 847580, 1017096, 1271370, 1356128, 1695160, 2034192, 2542740, 3390320, 4068384, 5085480, 6780640, 10170960, 20341920]

約数ペア:

[(1, 20341920), (2, 10170960), (3, 6780640), (4, 5085480), (5, 4068384), (6, 3390320), (8, 2542740), (10, 2034192), (12, 1695160), (15, 1356128), (16, 1271370), (20, 1017096), (24, 847580), (30, 678064), (32, 635685), (40, 508548), (48, 423790), (60, 339032), (80, 254274), (96, 211895), (120, 169516), (160, 127137), (240, 84758), (480, 42379)]