20733778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{769}}^1$

素因数の和:862

約数の個数: 32

約数和(自身を含む): 36091440

約数和(自身を除く): 15357662

約数列:

[1, 2, 13, 17, 26, 34, 61, 122, 221, 442, 769, 793, 1037, 1538, 1586, 2074, 9997, 13073, 13481, 19994, 26146, 26962, 46909, 93818, 169949, 339898, 609817, 797453, 1219634, 1594906, 10366889, 20733778]

約数ペア:

[(1, 20733778), (2, 10366889), (13, 1594906), (17, 1219634), (26, 797453), (34, 609817), (61, 339898), (122, 169949), (221, 93818), (442, 46909), (769, 26962), (793, 26146), (1037, 19994), (1538, 13481), (1586, 13073), (2074, 9997)]