20376495

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1013}}^1$

素因数の和:1176

約数の個数: 32

約数和(自身を含む): 36504000

約数和(自身を除く): 16127505

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 1013, 1341, 2235, 3039, 4023, 5065, 6705, 9117, 15195, 20115, 27351, 45585, 136755, 150937, 452811, 754685, 1358433, 2264055, 4075299, 6792165, 20376495]

約数ペア:

[(1, 20376495), (3, 6792165), (5, 4075299), (9, 2264055), (15, 1358433), (27, 754685), (45, 452811), (135, 150937), (149, 136755), (447, 45585), (745, 27351), (1013, 20115), (1341, 15195), (2235, 9117), (3039, 6705), (4023, 5065)]