20135005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 27732096

約数和(自身を除く): 7597091

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 1447, 2783, 7235, 13915, 15917, 33281, 79585, 166405, 175087, 366091, 875435, 1830455, 4027001, 20135005]

約数ペア:

[(1, 20135005), (5, 4027001), (11, 1830455), (23, 875435), (55, 366091), (115, 175087), (121, 166405), (253, 79585), (605, 33281), (1265, 15917), (1447, 13915), (2783, 7235)]