20669896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{853}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 41965560

約数和(自身を除く): 21295664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 233, 466, 853, 932, 1706, 1864, 3029, 3412, 6058, 6824, 11089, 12116, 22178, 24232, 44356, 88712, 198749, 397498, 794996, 1589992, 2583737, 5167474, 10334948, 20669896]

約数ペア:

[(1, 20669896), (2, 10334948), (4, 5167474), (8, 2583737), (13, 1589992), (26, 794996), (52, 397498), (104, 198749), (233, 88712), (466, 44356), (853, 24232), (932, 22178), (1706, 12116), (1864, 11089), (3029, 6824), (3412, 6058)]