20992052

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 37601760

約数和(自身を除く): 16609708

約数列:

[1, 2, 4, 61, 122, 227, 244, 379, 454, 758, 908, 1516, 13847, 23119, 27694, 46238, 55388, 86033, 92476, 172066, 344132, 5248013, 10496026, 20992052]

約数ペア:

[(1, 20992052), (2, 10496026), (4, 5248013), (61, 344132), (122, 172066), (227, 92476), (244, 86033), (379, 55388), (454, 46238), (758, 27694), (908, 23119), (1516, 13847)]