20731356

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{10103}}^1$

素因数の和:10135

約数の個数: 48

約数和(自身を含む): 56582400

約数和(自身を除く): 35851044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 54, 57, 76, 108, 114, 171, 228, 342, 513, 684, 1026, 2052, 10103, 20206, 30309, 40412, 60618, 90927, 121236, 181854, 191957, 272781, 363708, 383914, 545562, 575871, 767828, 1091124, 1151742, 1727613, 2303484, 3455226, 5182839, 6910452, 10365678, 20731356]

約数ペア:

[(1, 20731356), (2, 10365678), (3, 6910452), (4, 5182839), (6, 3455226), (9, 2303484), (12, 1727613), (18, 1151742), (19, 1091124), (27, 767828), (36, 575871), (38, 545562), (54, 383914), (57, 363708), (76, 272781), (108, 191957), (114, 181854), (171, 121236), (228, 90927), (342, 60618), (513, 40412), (684, 30309), (1026, 20206), (2052, 10103)]