20257100

素因数分解:

$2^2\times 5^2\times {\mathrm{167}}^1\times {\mathrm{1213}}^1$

素因数の和:1394

約数の個数: 36

約数和(自身を含む): 44257584

約数和(自身を除く): 24000484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 167, 334, 668, 835, 1213, 1670, 2426, 3340, 4175, 4852, 6065, 8350, 12130, 16700, 24260, 30325, 60650, 121300, 202571, 405142, 810284, 1012855, 2025710, 4051420, 5064275, 10128550, 20257100]

約数ペア:

[(1, 20257100), (2, 10128550), (4, 5064275), (5, 4051420), (10, 2025710), (20, 1012855), (25, 810284), (50, 405142), (100, 202571), (167, 121300), (334, 60650), (668, 30325), (835, 24260), (1213, 16700), (1670, 12130), (2426, 8350), (3340, 6065), (4175, 4852)]