20491470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1021}}^1$

素因数の和:1257

約数の個数: 48

約数和(自身を含む): 53569152

約数和(自身を除く): 33077682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 223, 446, 669, 1021, 1115, 1338, 2007, 2042, 2230, 3063, 3345, 4014, 5105, 6126, 6690, 9189, 10035, 10210, 15315, 18378, 20070, 30630, 45945, 91890, 227683, 455366, 683049, 1138415, 1366098, 2049147, 2276830, 3415245, 4098294, 6830490, 10245735, 20491470]

約数ペア:

[(1, 20491470), (2, 10245735), (3, 6830490), (5, 4098294), (6, 3415245), (9, 2276830), (10, 2049147), (15, 1366098), (18, 1138415), (30, 683049), (45, 455366), (90, 227683), (223, 91890), (446, 45945), (669, 30630), (1021, 20070), (1115, 18378), (1338, 15315), (2007, 10210), (2042, 10035), (2230, 9189), (3063, 6690), (3345, 6126), (4014, 5105)]