20158679960

素因数分解:

$2^3\times 5^1\times {\mathrm{6163}}^1\times {\mathrm{81773}}^1$

素因数の和:87947

約数の個数: 32

約数和(自身を含む): 45364944240

約数和(自身を除く): 25206264280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6163, 12326, 24652, 30815, 49304, 61630, 81773, 123260, 163546, 246520, 327092, 408865, 654184, 817730, 1635460, 3270920, 503966999, 1007933998, 2015867996, 2519834995, 4031735992, 5039669990, 10079339980, 20158679960]

約数ペア:

[(1, 20158679960), (2, 10079339980), (4, 5039669990), (5, 4031735992), (8, 2519834995), (10, 2015867996), (20, 1007933998), (40, 503966999), (6163, 3270920), (12326, 1635460), (24652, 817730), (30815, 654184), (49304, 408865), (61630, 327092), (81773, 246520), (123260, 163546)]