20421232

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98179}}^1$

素因数の和:98200

約数の個数: 20

約数和(自身を含む): 42610120

約数和(自身を除く): 22188888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98179, 196358, 392716, 785432, 1276327, 1570864, 2552654, 5105308, 10210616, 20421232]

約数ペア:

[(1, 20421232), (2, 10210616), (4, 5105308), (8, 2552654), (13, 1570864), (16, 1276327), (26, 785432), (52, 392716), (104, 196358), (208, 98179)]