20264524

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{16831}}^1$

素因数の和:16885

約数の個数: 24

約数和(自身を含む): 41474048

約数和(自身を除く): 21209524

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 16831, 33662, 67324, 117817, 235634, 471268, 723733, 1447466, 2894932, 5066131, 10132262, 20264524]

約数ペア:

[(1, 20264524), (2, 10132262), (4, 5066131), (7, 2894932), (14, 1447466), (28, 723733), (43, 471268), (86, 235634), (172, 117817), (301, 67324), (602, 33662), (1204, 16831)]