20827430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1061}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 40678848

約数和(自身を除く): 19851418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151, 302, 755, 1061, 1510, 1963, 2122, 3926, 5305, 9815, 10610, 13793, 19630, 27586, 68965, 137930, 160211, 320422, 801055, 1602110, 2082743, 4165486, 10413715, 20827430]

約数ペア:

[(1, 20827430), (2, 10413715), (5, 4165486), (10, 2082743), (13, 1602110), (26, 801055), (65, 320422), (130, 160211), (151, 137930), (302, 68965), (755, 27586), (1061, 19630), (1510, 13793), (1963, 10610), (2122, 9815), (3926, 5305)]