1821796780

素因数分解:

$2^2\times 5^1\times {\mathrm{6299}}^1\times {\mathrm{14461}}^1$

素因数の和:20769

約数の個数: 24

約数和(自身を含む): 3826645200

約数和(自身を除く): 2004848420

約数列:

[1, 2, 4, 5, 10, 20, 6299, 12598, 14461, 25196, 28922, 31495, 57844, 62990, 72305, 125980, 144610, 289220, 91089839, 182179678, 364359356, 455449195, 910898390, 1821796780]

約数ペア:

[(1, 1821796780), (2, 910898390), (4, 455449195), (5, 364359356), (10, 182179678), (20, 91089839), (6299, 289220), (12598, 144610), (14461, 125980), (25196, 72305), (28922, 62990), (31495, 57844)]