20491002

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 52531200

約数和(自身を除く): 32040198

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 151, 189, 302, 359, 378, 453, 718, 906, 1057, 1077, 1359, 2114, 2154, 2513, 2718, 3171, 3231, 4077, 5026, 6342, 6462, 7539, 8154, 9513, 9693, 15078, 19026, 19386, 22617, 28539, 45234, 54209, 57078, 67851, 108418, 135702, 162627, 325254, 379463, 487881, 758926, 975762, 1138389, 1463643, 2276778, 2927286, 3415167, 6830334, 10245501, 20491002]

約数ペア:

[(1, 20491002), (2, 10245501), (3, 6830334), (6, 3415167), (7, 2927286), (9, 2276778), (14, 1463643), (18, 1138389), (21, 975762), (27, 758926), (42, 487881), (54, 379463), (63, 325254), (126, 162627), (151, 135702), (189, 108418), (302, 67851), (359, 57078), (378, 54209), (453, 45234), (718, 28539), (906, 22617), (1057, 19386), (1077, 19026), (1359, 15078), (2114, 9693), (2154, 9513), (2513, 8154), (2718, 7539), (3171, 6462), (3231, 6342), (4077, 5026)]