20255430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{311}}^1$

素因数の和:501

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 32579898

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 167, 195, 311, 334, 390, 501, 622, 835, 933, 1002, 1555, 1670, 1866, 2171, 2505, 3110, 4043, 4342, 4665, 5010, 6513, 8086, 9330, 10855, 12129, 13026, 20215, 21710, 24258, 32565, 40430, 51937, 60645, 65130, 103874, 121290, 155811, 259685, 311622, 519370, 675181, 779055, 1350362, 1558110, 2025543, 3375905, 4051086, 6751810, 10127715, 20255430]

約数ペア:

[(1, 20255430), (2, 10127715), (3, 6751810), (5, 4051086), (6, 3375905), (10, 2025543), (13, 1558110), (15, 1350362), (26, 779055), (30, 675181), (39, 519370), (65, 311622), (78, 259685), (130, 155811), (167, 121290), (195, 103874), (311, 65130), (334, 60645), (390, 51937), (501, 40430), (622, 32565), (835, 24258), (933, 21710), (1002, 20215), (1555, 13026), (1670, 12129), (1866, 10855), (2171, 9330), (2505, 8086), (3110, 6513), (4043, 5010), (4342, 4665)]