20572734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1$

素因数の和:985

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 31359426

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 41, 42, 78, 82, 91, 123, 182, 246, 273, 287, 533, 546, 574, 861, 919, 1066, 1599, 1722, 1838, 2757, 3198, 3731, 5514, 6433, 7462, 11193, 11947, 12866, 19299, 22386, 23894, 35841, 37679, 38598, 71682, 75358, 83629, 113037, 167258, 226074, 250887, 263753, 489827, 501774, 527506, 791259, 979654, 1469481, 1582518, 2938962, 3428789, 6857578, 10286367, 20572734]

約数ペア:

[(1, 20572734), (2, 10286367), (3, 6857578), (6, 3428789), (7, 2938962), (13, 1582518), (14, 1469481), (21, 979654), (26, 791259), (39, 527506), (41, 501774), (42, 489827), (78, 263753), (82, 250887), (91, 226074), (123, 167258), (182, 113037), (246, 83629), (273, 75358), (287, 71682), (533, 38598), (546, 37679), (574, 35841), (861, 23894), (919, 22386), (1066, 19299), (1599, 12866), (1722, 11947), (1838, 11193), (2757, 7462), (3198, 6433), (3731, 5514)]