20043090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2819}}^1$

素因数の和:2911

約数の個数: 48

約数和(自身を含む): 52790400

約数和(自身を除く): 32747310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 79, 90, 158, 237, 395, 474, 711, 790, 1185, 1422, 2370, 2819, 3555, 5638, 7110, 8457, 14095, 16914, 25371, 28190, 42285, 50742, 84570, 126855, 222701, 253710, 445402, 668103, 1113505, 1336206, 2004309, 2227010, 3340515, 4008618, 6681030, 10021545, 20043090]

約数ペア:

[(1, 20043090), (2, 10021545), (3, 6681030), (5, 4008618), (6, 3340515), (9, 2227010), (10, 2004309), (15, 1336206), (18, 1113505), (30, 668103), (45, 445402), (79, 253710), (90, 222701), (158, 126855), (237, 84570), (395, 50742), (474, 42285), (711, 28190), (790, 25371), (1185, 16914), (1422, 14095), (2370, 8457), (2819, 7110), (3555, 5638)]