20885580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38677}}^1$

素因数の和:38695

約数の個数: 48

約数和(自身を含む): 64979040

約数和(自身を除く): 44093460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38677, 77354, 116031, 154708, 193385, 232062, 348093, 386770, 464124, 580155, 696186, 773540, 1044279, 1160310, 1392372, 1740465, 2088558, 2320620, 3480930, 4177116, 5221395, 6961860, 10442790, 20885580]

約数ペア:

[(1, 20885580), (2, 10442790), (3, 6961860), (4, 5221395), (5, 4177116), (6, 3480930), (9, 2320620), (10, 2088558), (12, 1740465), (15, 1392372), (18, 1160310), (20, 1044279), (27, 773540), (30, 696186), (36, 580155), (45, 464124), (54, 386770), (60, 348093), (90, 232062), (108, 193385), (135, 154708), (180, 116031), (270, 77354), (540, 38677)]