20745584

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{13367}}^1$

素因数の和:13472

約数の個数: 20

約数和(自身を含む): 40611984

約数和(自身を除く): 19866400

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 13367, 26734, 53468, 106936, 213872, 1296599, 2593198, 5186396, 10372792, 20745584]

約数ペア:

[(1, 20745584), (2, 10372792), (4, 5186396), (8, 2593198), (16, 1296599), (97, 213872), (194, 106936), (388, 53468), (776, 26734), (1552, 13367)]