22019780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18049}}^1$

素因数の和:18119

約数の個数: 24

約数和(自身を含む): 47002200

約数和(自身を除く): 24982420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 18049, 36098, 72196, 90245, 180490, 360980, 1100989, 2201978, 4403956, 5504945, 11009890, 22019780]

約数ペア:

[(1, 22019780), (2, 11009890), (4, 5504945), (5, 4403956), (10, 2201978), (20, 1100989), (61, 360980), (122, 180490), (244, 90245), (305, 72196), (610, 36098), (1220, 18049)]