20172692106

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{235789}}^1$

素因数の和:235908

約数の個数: 72

約数和(自身を含む): 51367794660

約数和(自身を除く): 31195102554

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 97, 98, 126, 147, 194, 291, 294, 441, 582, 679, 873, 882, 1358, 1746, 2037, 4074, 4753, 6111, 9506, 12222, 14259, 28518, 42777, 85554, 235789, 471578, 707367, 1414734, 1650523, 2122101, 3301046, 4244202, 4951569, 9903138, 11553661, 14854707, 22871533, 23107322, 29709414, 34660983, 45743066, 68614599, 69321966, 103982949, 137229198, 160100731, 205843797, 207965898, 320201462, 411687594, 480302193, 960604386, 1120705117, 1440906579, 2241410234, 2881813158, 3362115351, 6724230702, 10086346053, 20172692106]

約数ペア:

[(1, 20172692106), (2, 10086346053), (3, 6724230702), (6, 3362115351), (7, 2881813158), (9, 2241410234), (14, 1440906579), (18, 1120705117), (21, 960604386), (42, 480302193), (49, 411687594), (63, 320201462), (97, 207965898), (98, 205843797), (126, 160100731), (147, 137229198), (194, 103982949), (291, 69321966), (294, 68614599), (441, 45743066), (582, 34660983), (679, 29709414), (873, 23107322), (882, 22871533), (1358, 14854707), (1746, 11553661), (2037, 9903138), (4074, 4951569), (4753, 4244202), (6111, 3301046), (9506, 2122101), (12222, 1650523), (14259, 1414734), (28518, 707367), (42777, 471578), (85554, 235789)]