20656380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{344273}}^1$

素因数の和:344285

約数の個数: 24

約数和(自身を含む): 57838032

約数和(自身を除く): 37181652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 344273, 688546, 1032819, 1377092, 1721365, 2065638, 3442730, 4131276, 5164095, 6885460, 10328190, 20656380]

約数ペア:

[(1, 20656380), (2, 10328190), (3, 6885460), (4, 5164095), (5, 4131276), (6, 3442730), (10, 2065638), (12, 1721365), (15, 1377092), (20, 1032819), (30, 688546), (60, 344273)]