20740616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199429}}^1$

素因数の和:199448

約数の個数: 16

約数和(自身を含む): 41880300

約数和(自身を除く): 21139684

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199429, 398858, 797716, 1595432, 2592577, 5185154, 10370308, 20740616]

約数ペア:

[(1, 20740616), (2, 10370308), (4, 5185154), (8, 2592577), (13, 1595432), (26, 797716), (52, 398858), (104, 199429)]