20169953208

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{438401}}^1$

素因数の和:438490

約数の個数: 80

約数和(自身を含む): 57290373360

約数和(自身を除く): 37120420152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 568, 639, 648, 852, 1278, 1704, 1917, 2556, 3834, 5112, 5751, 7668, 11502, 15336, 23004, 46008, 438401, 876802, 1315203, 1753604, 2630406, 3507208, 3945609, 5260812, 7891218, 10521624, 11836827, 15782436, 23673654, 31126471, 31564872, 35510481, 47347308, 62252942, 71020962, 93379413, 94694616, 124505884, 142041924, 186758826, 249011768, 280138239, 284083848, 373517652, 560276478, 747035304, 840414717, 1120552956, 1680829434, 2241105912, 2521244151, 3361658868, 5042488302, 6723317736, 10084976604, 20169953208]

約数ペア:

[(1, 20169953208), (2, 10084976604), (3, 6723317736), (4, 5042488302), (6, 3361658868), (8, 2521244151), (9, 2241105912), (12, 1680829434), (18, 1120552956), (24, 840414717), (27, 747035304), (36, 560276478), (54, 373517652), (71, 284083848), (72, 280138239), (81, 249011768), (108, 186758826), (142, 142041924), (162, 124505884), (213, 94694616), (216, 93379413), (284, 71020962), (324, 62252942), (426, 47347308), (568, 35510481), (639, 31564872), (648, 31126471), (852, 23673654), (1278, 15782436), (1704, 11836827), (1917, 10521624), (2556, 7891218), (3834, 5260812), (5112, 3945609), (5751, 3507208), (7668, 2630406), (11502, 1753604), (15336, 1315203), (23004, 876802), (46008, 438401)]