20756430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1381}}^1$

素因数の和:1561

約数の個数: 48

約数和(自身を含む): 54329184

約数和(自身を除く): 33572754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 167, 334, 501, 835, 1002, 1381, 1503, 1670, 2505, 2762, 3006, 4143, 5010, 6905, 7515, 8286, 12429, 13810, 15030, 20715, 24858, 41430, 62145, 124290, 230627, 461254, 691881, 1153135, 1383762, 2075643, 2306270, 3459405, 4151286, 6918810, 10378215, 20756430]

約数ペア:

[(1, 20756430), (2, 10378215), (3, 6918810), (5, 4151286), (6, 3459405), (9, 2306270), (10, 2075643), (15, 1383762), (18, 1153135), (30, 691881), (45, 461254), (90, 230627), (167, 124290), (334, 62145), (501, 41430), (835, 24858), (1002, 20715), (1381, 15030), (1503, 13810), (1670, 12429), (2505, 8286), (2762, 7515), (3006, 6905), (4143, 5010)]