20669116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{6737}}^1$

素因数の和:6813

約数の個数: 24

約数和(自身を含む): 39619440

約数和(自身を除く): 18950324

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 6737, 13474, 26948, 87581, 175162, 350324, 397483, 794966, 1589932, 5167279, 10334558, 20669116]

約数ペア:

[(1, 20669116), (2, 10334558), (4, 5167279), (13, 1589932), (26, 794966), (52, 397483), (59, 350324), (118, 175162), (236, 87581), (767, 26948), (1534, 13474), (3068, 6737)]