20413744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98143}}^1$

素因数の和:98164

約数の個数: 20

約数和(自身を含む): 42594496

約数和(自身を除く): 22180752

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98143, 196286, 392572, 785144, 1275859, 1570288, 2551718, 5103436, 10206872, 20413744]

約数ペア:

[(1, 20413744), (2, 10206872), (4, 5103436), (8, 2551718), (13, 1570288), (16, 1275859), (26, 785144), (52, 392572), (104, 196286), (208, 98143)]