20131554340

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{618671}}^1$

素因数の和:620307

約数の個数: 24

約数和(自身を含む): 42302316672

約数和(自身を除く): 22170762332

約数列:

[1, 2, 4, 5, 10, 20, 1627, 3254, 6508, 8135, 16270, 32540, 618671, 1237342, 2474684, 3093355, 6186710, 12373420, 1006577717, 2013155434, 4026310868, 5032888585, 10065777170, 20131554340]

約数ペア:

[(1, 20131554340), (2, 10065777170), (4, 5032888585), (5, 4026310868), (10, 2013155434), (20, 1006577717), (1627, 12373420), (3254, 6186710), (6508, 3093355), (8135, 2474684), (16270, 1237342), (32540, 618671)]