20999230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{13043}}^1$

素因数の和:13080

約数の個数: 32

約数和(自身を含む): 45080064

約数和(自身を除く): 24080834

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 13043, 26086, 65215, 91301, 130430, 182602, 299989, 456505, 599978, 913010, 1499945, 2099923, 2999890, 4199846, 10499615, 20999230]

約数ペア:

[(1, 20999230), (2, 10499615), (5, 4199846), (7, 2999890), (10, 2099923), (14, 1499945), (23, 913010), (35, 599978), (46, 456505), (70, 299989), (115, 182602), (161, 130430), (230, 91301), (322, 65215), (805, 26086), (1610, 13043)]