20035897

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 23846400

約数和(自身を除く): 3810503

約数列:

[1, 7, 29, 203, 229, 431, 1603, 3017, 6641, 12499, 46487, 87493, 98699, 690893, 2862271, 20035897]

約数ペア:

[(1, 20035897), (7, 2862271), (29, 690893), (203, 98699), (229, 87493), (431, 46487), (1603, 12499), (3017, 6641)]