20173843408

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{143329}}^1$

素因数の和:143819

約数の個数: 40

約数和(自身を含む): 41233174400

約数和(自身を除く): 21059330992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 463, 926, 1852, 3704, 7408, 8797, 17594, 35188, 70376, 140752, 143329, 286658, 573316, 1146632, 2293264, 2723251, 5446502, 10893004, 21786008, 43572016, 66361327, 132722654, 265445308, 530890616, 1061781232, 1260865213, 2521730426, 5043460852, 10086921704, 20173843408]

約数ペア:

[(1, 20173843408), (2, 10086921704), (4, 5043460852), (8, 2521730426), (16, 1260865213), (19, 1061781232), (38, 530890616), (76, 265445308), (152, 132722654), (304, 66361327), (463, 43572016), (926, 21786008), (1852, 10893004), (3704, 5446502), (7408, 2723251), (8797, 2293264), (17594, 1146632), (35188, 573316), (70376, 286658), (140752, 143329)]