20743172

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{151}}^1\times {\mathrm{563}}^1$

素因数の和:779

約数の個数: 24

約数和(自身を含む): 37205952

約数和(自身を除く): 16462780

約数列:

[1, 2, 4, 61, 122, 151, 244, 302, 563, 604, 1126, 2252, 9211, 18422, 34343, 36844, 68686, 85013, 137372, 170026, 340052, 5185793, 10371586, 20743172]

約数ペア:

[(1, 20743172), (2, 10371586), (4, 5185793), (61, 340052), (122, 170026), (151, 137372), (244, 85013), (302, 68686), (563, 36844), (604, 34343), (1126, 18422), (2252, 9211)]