20440888

素因数分解:

$2^3\times {\mathrm{13}}^3\times {\mathrm{1163}}^1$

素因数の和:1208

約数の個数: 32

約数和(自身を含む): 41554800

約数和(自身を除く): 21113912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1163, 1352, 2197, 2326, 4394, 4652, 8788, 9304, 15119, 17576, 30238, 60476, 120952, 196547, 393094, 786188, 1572376, 2555111, 5110222, 10220444, 20440888]

約数ペア:

[(1, 20440888), (2, 10220444), (4, 5110222), (8, 2555111), (13, 1572376), (26, 786188), (52, 393094), (104, 196547), (169, 120952), (338, 60476), (676, 30238), (1163, 17576), (1352, 15119), (2197, 9304), (2326, 8788), (4394, 4652)]