20184630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15647}}^1$

素因数の和:15700

約数の個数: 32

約数和(自身を含む): 49572864

約数和(自身を除く): 29388234

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 1290, 15647, 31294, 46941, 78235, 93882, 156470, 234705, 469410, 672821, 1345642, 2018463, 3364105, 4036926, 6728210, 10092315, 20184630]

約数ペア:

[(1, 20184630), (2, 10092315), (3, 6728210), (5, 4036926), (6, 3364105), (10, 2018463), (15, 1345642), (30, 672821), (43, 469410), (86, 234705), (129, 156470), (215, 93882), (258, 78235), (430, 46941), (645, 31294), (1290, 15647)]