20718276

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 49877184

約数和(自身を除く): 29158908

約数列:

[1, 2, 3, 4, 6, 12, 67, 73, 134, 146, 201, 219, 268, 292, 353, 402, 438, 706, 804, 876, 1059, 1412, 2118, 4236, 4891, 9782, 14673, 19564, 23651, 25769, 29346, 47302, 51538, 58692, 70953, 77307, 94604, 103076, 141906, 154614, 283812, 309228, 1726523, 3453046, 5179569, 6906092, 10359138, 20718276]

約数ペア:

[(1, 20718276), (2, 10359138), (3, 6906092), (4, 5179569), (6, 3453046), (12, 1726523), (67, 309228), (73, 283812), (134, 154614), (146, 141906), (201, 103076), (219, 94604), (268, 77307), (292, 70953), (353, 58692), (402, 51538), (438, 47302), (706, 29346), (804, 25769), (876, 23651), (1059, 19564), (1412, 14673), (2118, 9782), (4236, 4891)]