20945010

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{863}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 50388480

約数和(自身を除く): 29443470

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 809, 863, 1618, 1726, 2427, 2589, 4045, 4315, 4854, 5178, 8090, 8630, 12135, 12945, 24270, 25890, 698167, 1396334, 2094501, 3490835, 4189002, 6981670, 10472505, 20945010]

約数ペア:

[(1, 20945010), (2, 10472505), (3, 6981670), (5, 4189002), (6, 3490835), (10, 2094501), (15, 1396334), (30, 698167), (809, 25890), (863, 24270), (1618, 12945), (1726, 12135), (2427, 8630), (2589, 8090), (4045, 5178), (4315, 4854)]