20633392

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 80

約数和(自身を含む): 47496960

約数和(自身を除く): 26863568

約数列:

[1, 2, 4, 8, 13, 16, 19, 23, 26, 38, 46, 52, 76, 92, 104, 152, 184, 208, 227, 247, 299, 304, 368, 437, 454, 494, 598, 874, 908, 988, 1196, 1748, 1816, 1976, 2392, 2951, 3496, 3632, 3952, 4313, 4784, 5221, 5681, 5902, 6992, 8626, 10442, 11362, 11804, 17252, 20884, 22724, 23608, 34504, 41768, 45448, 47216, 56069, 67873, 69008, 83536, 90896, 99199, 112138, 135746, 198398, 224276, 271492, 396796, 448552, 542984, 793592, 897104, 1085968, 1289587, 1587184, 2579174, 5158348, 10316696, 20633392]

約数ペア:

[(1, 20633392), (2, 10316696), (4, 5158348), (8, 2579174), (13, 1587184), (16, 1289587), (19, 1085968), (23, 897104), (26, 793592), (38, 542984), (46, 448552), (52, 396796), (76, 271492), (92, 224276), (104, 198398), (152, 135746), (184, 112138), (208, 99199), (227, 90896), (247, 83536), (299, 69008), (304, 67873), (368, 56069), (437, 47216), (454, 45448), (494, 41768), (598, 34504), (874, 23608), (908, 22724), (988, 20884), (1196, 17252), (1748, 11804), (1816, 11362), (1976, 10442), (2392, 8626), (2951, 6992), (3496, 5902), (3632, 5681), (3952, 5221), (4313, 4784)]