20722356

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{863}}^1$

素因数の和:925

約数の個数: 72

約数和(自身を含む): 56609280

約数和(自身を除く): 35886924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 29, 36, 46, 58, 69, 87, 92, 116, 138, 174, 207, 261, 276, 348, 414, 522, 667, 828, 863, 1044, 1334, 1726, 2001, 2589, 2668, 3452, 4002, 5178, 6003, 7767, 8004, 10356, 12006, 15534, 19849, 24012, 25027, 31068, 39698, 50054, 59547, 75081, 79396, 100108, 119094, 150162, 178641, 225243, 238188, 300324, 357282, 450486, 575621, 714564, 900972, 1151242, 1726863, 2302484, 3453726, 5180589, 6907452, 10361178, 20722356]

約数ペア:

[(1, 20722356), (2, 10361178), (3, 6907452), (4, 5180589), (6, 3453726), (9, 2302484), (12, 1726863), (18, 1151242), (23, 900972), (29, 714564), (36, 575621), (46, 450486), (58, 357282), (69, 300324), (87, 238188), (92, 225243), (116, 178641), (138, 150162), (174, 119094), (207, 100108), (261, 79396), (276, 75081), (348, 59547), (414, 50054), (522, 39698), (667, 31068), (828, 25027), (863, 24012), (1044, 19849), (1334, 15534), (1726, 12006), (2001, 10356), (2589, 8004), (2668, 7767), (3452, 6003), (4002, 5178)]