20845476

素因数分解:

$2^2\times 3^2\times {\mathrm{439}}^1\times {\mathrm{1319}}^1$

素因数の和:1768

約数の個数: 36

約数和(自身を含む): 52852800

約数和(自身を除く): 32007324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 439, 878, 1317, 1319, 1756, 2634, 2638, 3951, 3957, 5268, 5276, 7902, 7914, 11871, 15804, 15828, 23742, 47484, 579041, 1158082, 1737123, 2316164, 3474246, 5211369, 6948492, 10422738, 20845476]

約数ペア:

[(1, 20845476), (2, 10422738), (3, 6948492), (4, 5211369), (6, 3474246), (9, 2316164), (12, 1737123), (18, 1158082), (36, 579041), (439, 47484), (878, 23742), (1317, 15828), (1319, 15804), (1756, 11871), (2634, 7914), (2638, 7902), (3951, 5276), (3957, 5268)]