20269236

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7643}}^1$

素因数の和:7680

約数の個数: 48

約数和(自身を含む): 53936064

約数和(自身を除く): 33666828

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7643, 15286, 22929, 30572, 45858, 91716, 99359, 129931, 198718, 259862, 298077, 389793, 397436, 519724, 596154, 779586, 1192308, 1559172, 1689103, 3378206, 5067309, 6756412, 10134618, 20269236]

約数ペア:

[(1, 20269236), (2, 10134618), (3, 6756412), (4, 5067309), (6, 3378206), (12, 1689103), (13, 1559172), (17, 1192308), (26, 779586), (34, 596154), (39, 519724), (51, 397436), (52, 389793), (68, 298077), (78, 259862), (102, 198718), (156, 129931), (204, 99359), (221, 91716), (442, 45858), (663, 30572), (884, 22929), (1326, 15286), (2652, 7643)]