20198002

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14638478

約数列:

[1, 2, 11, 22, 23, 46, 179, 223, 253, 358, 446, 506, 1969, 2453, 3938, 4117, 4906, 5129, 8234, 10258, 39917, 45287, 56419, 79834, 90574, 112838, 439087, 878174, 918091, 1836182, 10099001, 20198002]

約数ペア:

[(1, 20198002), (2, 10099001), (11, 1836182), (22, 918091), (23, 878174), (46, 439087), (179, 112838), (223, 90574), (253, 79834), (358, 56419), (446, 45287), (506, 39917), (1969, 10258), (2453, 8234), (3938, 5129), (4117, 4906)]