20965490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23039}}^1$

素因数の和:23066

約数の個数: 32

約数和(自身を含む): 46448640

約数和(自身を除く): 25483150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23039, 46078, 115195, 161273, 230390, 299507, 322546, 599014, 806365, 1497535, 1612730, 2096549, 2995070, 4193098, 10482745, 20965490]

約数ペア:

[(1, 20965490), (2, 10482745), (5, 4193098), (7, 2995070), (10, 2096549), (13, 1612730), (14, 1497535), (26, 806365), (35, 599014), (65, 322546), (70, 299507), (91, 230390), (130, 161273), (182, 115195), (455, 46078), (910, 23039)]