20572356

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{593}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 56881440

約数和(自身を除く): 36309084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 59, 84, 98, 118, 147, 177, 196, 236, 294, 354, 413, 588, 593, 708, 826, 1186, 1239, 1652, 1779, 2372, 2478, 2891, 3558, 4151, 4956, 5782, 7116, 8302, 8673, 11564, 12453, 16604, 17346, 24906, 29057, 34692, 34987, 49812, 58114, 69974, 87171, 104961, 116228, 139948, 174342, 209922, 244909, 348684, 419844, 489818, 734727, 979636, 1469454, 1714363, 2938908, 3428726, 5143089, 6857452, 10286178, 20572356]

約数ペア:

[(1, 20572356), (2, 10286178), (3, 6857452), (4, 5143089), (6, 3428726), (7, 2938908), (12, 1714363), (14, 1469454), (21, 979636), (28, 734727), (42, 489818), (49, 419844), (59, 348684), (84, 244909), (98, 209922), (118, 174342), (147, 139948), (177, 116228), (196, 104961), (236, 87171), (294, 69974), (354, 58114), (413, 49812), (588, 34987), (593, 34692), (708, 29057), (826, 24906), (1186, 17346), (1239, 16604), (1652, 12453), (1779, 11564), (2372, 8673), (2478, 8302), (2891, 7116), (3558, 5782), (4151, 4956)]