20285676

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{3457}}^1$

素因数の和:3630

約数の個数: 36

約数和(自身を含む): 51607192

約数和(自身を除く): 31321516

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1956, 2934, 3457, 5868, 6914, 10371, 13828, 20742, 31113, 41484, 62226, 124452, 563491, 1126982, 1690473, 2253964, 3380946, 5071419, 6761892, 10142838, 20285676]

約数ペア:

[(1, 20285676), (2, 10142838), (3, 6761892), (4, 5071419), (6, 3380946), (9, 2253964), (12, 1690473), (18, 1126982), (36, 563491), (163, 124452), (326, 62226), (489, 41484), (652, 31113), (978, 20742), (1467, 13828), (1956, 10371), (2934, 6914), (3457, 5868)]