20331690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15761}}^1$

素因数の和:15814

約数の個数: 32

約数和(自身を含む): 49934016

約数和(自身を除く): 29602326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15761, 31522, 47283, 78805, 94566, 157610, 236415, 472830, 677723, 1355446, 2033169, 3388615, 4066338, 6777230, 10165845, 20331690]

約数ペア:

[(1, 20331690), (2, 10165845), (3, 6777230), (5, 4066338), (6, 3388615), (10, 2033169), (15, 1355446), (30, 677723), (43, 472830), (86, 236415), (129, 157610), (215, 94566), (258, 78805), (430, 47283), (645, 31522), (1290, 15761)]