20805213224

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{154681}}^1$

素因数の和:154770

約数の個数: 64

約数和(自身を含む): 44102931840

約数和(自身を除く): 23297718616

約数列:

[1, 2, 4, 8, 17, 23, 34, 43, 46, 68, 86, 92, 136, 172, 184, 344, 391, 731, 782, 989, 1462, 1564, 1978, 2924, 3128, 3956, 5848, 7912, 16813, 33626, 67252, 134504, 154681, 309362, 618724, 1237448, 2629577, 3557663, 5259154, 6651283, 7115326, 10518308, 13302566, 14230652, 21036616, 26605132, 28461304, 53210264, 60480271, 113071811, 120960542, 152979509, 226143622, 241921084, 305959018, 452287244, 483842168, 611918036, 904574488, 1223836072, 2600651653, 5201303306, 10402606612, 20805213224]

約数ペア:

[(1, 20805213224), (2, 10402606612), (4, 5201303306), (8, 2600651653), (17, 1223836072), (23, 904574488), (34, 611918036), (43, 483842168), (46, 452287244), (68, 305959018), (86, 241921084), (92, 226143622), (136, 152979509), (172, 120960542), (184, 113071811), (344, 60480271), (391, 53210264), (731, 28461304), (782, 26605132), (989, 21036616), (1462, 14230652), (1564, 13302566), (1978, 10518308), (2924, 7115326), (3128, 6651283), (3956, 5259154), (5848, 3557663), (7912, 2629577), (16813, 1237448), (33626, 618724), (67252, 309362), (134504, 154681)]