20154900484

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{2979731}}^1$

素因数の和:2979843

約数の個数: 24

約数和(自身を含む): 37544623200

約数和(自身を除く): 17389722716

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 2979731, 5959462, 11918924, 56614889, 113229778, 226459556, 265196059, 530392118, 1060784236, 5038725121, 10077450242, 20154900484]

約数ペア:

[(1, 20154900484), (2, 10077450242), (4, 5038725121), (19, 1060784236), (38, 530392118), (76, 265196059), (89, 226459556), (178, 113229778), (356, 56614889), (1691, 11918924), (3382, 5959462), (6764, 2979731)]