20827791505

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{180179}}^1$

素因数の和:180624

約数の個数: 16

約数和(自身を含む): 25470244800

約数和(自身を除く): 4642453295

約数列:

[1, 5, 61, 305, 379, 1895, 23119, 115595, 180179, 900895, 10990919, 54954595, 68287841, 341439205, 4165558301, 20827791505]

約数ペア:

[(1, 20827791505), (5, 4165558301), (61, 341439205), (305, 68287841), (379, 54954595), (1895, 10990919), (23119, 900895), (115595, 180179)]