20301785

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30529}}^1$

素因数の和:30560

約数の個数: 16

約数和(自身を含む): 29308800

約数和(自身を除く): 9007015

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 30529, 152645, 213703, 580051, 1068515, 2900255, 4060357, 20301785]

約数ペア:

[(1, 20301785), (5, 4060357), (7, 2900255), (19, 1068515), (35, 580051), (95, 213703), (133, 152645), (665, 30529)]