20994360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3301}}^1$

素因数の和:3368

約数の個数: 64

約数和(自身を含む): 64190880

約数和(自身を除く): 43196520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 53, 60, 106, 120, 159, 212, 265, 318, 424, 530, 636, 795, 1060, 1272, 1590, 2120, 3180, 3301, 6360, 6602, 9903, 13204, 16505, 19806, 26408, 33010, 39612, 49515, 66020, 79224, 99030, 132040, 174953, 198060, 349906, 396120, 524859, 699812, 874765, 1049718, 1399624, 1749530, 2099436, 2624295, 3499060, 4198872, 5248590, 6998120, 10497180, 20994360]

約数ペア:

[(1, 20994360), (2, 10497180), (3, 6998120), (4, 5248590), (5, 4198872), (6, 3499060), (8, 2624295), (10, 2099436), (12, 1749530), (15, 1399624), (20, 1049718), (24, 874765), (30, 699812), (40, 524859), (53, 396120), (60, 349906), (106, 198060), (120, 174953), (159, 132040), (212, 99030), (265, 79224), (318, 66020), (424, 49515), (530, 39612), (636, 33010), (795, 26408), (1060, 19806), (1272, 16505), (1590, 13204), (2120, 9903), (3180, 6602), (3301, 6360)]