20642870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{263}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 38320128

約数和(自身を除く): 17677258

約数列:

[1, 2, 5, 10, 47, 94, 167, 235, 263, 334, 470, 526, 835, 1315, 1670, 2630, 7849, 12361, 15698, 24722, 39245, 43921, 61805, 78490, 87842, 123610, 219605, 439210, 2064287, 4128574, 10321435, 20642870]

約数ペア:

[(1, 20642870), (2, 10321435), (5, 4128574), (10, 2064287), (47, 439210), (94, 219605), (167, 123610), (235, 87842), (263, 78490), (334, 61805), (470, 43921), (526, 39245), (835, 24722), (1315, 15698), (1670, 12361), (2630, 7849)]