20218842704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{911087}}^1$

素因数の和:911187

約数の個数: 40

約数和(自身を含む): 41800717440

約数和(自身を除く): 21581874736

約数列:

[1, 2, 4, 8, 16, 19, 38, 73, 76, 146, 152, 292, 304, 584, 1168, 1387, 2774, 5548, 11096, 22192, 911087, 1822174, 3644348, 7288696, 14577392, 17310653, 34621306, 66509351, 69242612, 133018702, 138485224, 266037404, 276970448, 532074808, 1064149616, 1263677669, 2527355338, 5054710676, 10109421352, 20218842704]

約数ペア:

[(1, 20218842704), (2, 10109421352), (4, 5054710676), (8, 2527355338), (16, 1263677669), (19, 1064149616), (38, 532074808), (73, 276970448), (76, 266037404), (146, 138485224), (152, 133018702), (292, 69242612), (304, 66509351), (584, 34621306), (1168, 17310653), (1387, 14577392), (2774, 7288696), (5548, 3644348), (11096, 1822174), (22192, 911087)]