20172568824

素因数分解:

$2^3\times 3^2\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{13831}}^1$

素因数の和:14321

約数の個数: 96

約数和(自身を含む): 55929968640

約数和(自身を除く): 35757399816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 47, 72, 94, 141, 188, 282, 376, 423, 431, 564, 846, 862, 1128, 1293, 1692, 1724, 2586, 3384, 3448, 3879, 5172, 7758, 10344, 13831, 15516, 20257, 27662, 31032, 40514, 41493, 55324, 60771, 81028, 82986, 110648, 121542, 124479, 162056, 165972, 182313, 243084, 248958, 331944, 364626, 486168, 497916, 650057, 729252, 995832, 1300114, 1458504, 1950171, 2600228, 3900342, 5200456, 5850513, 5961161, 7800684, 11701026, 11922322, 15601368, 17883483, 23402052, 23844644, 35766966, 46804104, 47689288, 53650449, 71533932, 107300898, 143067864, 214601796, 280174567, 429203592, 560349134, 840523701, 1120698268, 1681047402, 2241396536, 2521571103, 3362094804, 5043142206, 6724189608, 10086284412, 20172568824]

約数ペア:

[(1, 20172568824), (2, 10086284412), (3, 6724189608), (4, 5043142206), (6, 3362094804), (8, 2521571103), (9, 2241396536), (12, 1681047402), (18, 1120698268), (24, 840523701), (36, 560349134), (47, 429203592), (72, 280174567), (94, 214601796), (141, 143067864), (188, 107300898), (282, 71533932), (376, 53650449), (423, 47689288), (431, 46804104), (564, 35766966), (846, 23844644), (862, 23402052), (1128, 17883483), (1293, 15601368), (1692, 11922322), (1724, 11701026), (2586, 7800684), (3384, 5961161), (3448, 5850513), (3879, 5200456), (5172, 3900342), (7758, 2600228), (10344, 1950171), (13831, 1458504), (15516, 1300114), (20257, 995832), (27662, 729252), (31032, 650057), (40514, 497916), (41493, 486168), (55324, 364626), (60771, 331944), (81028, 248958), (82986, 243084), (110648, 182313), (121542, 165972), (124479, 162056)]