20135800

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{1213}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 47418840

約数和(自身を除く): 27283040

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1213, 1660, 2075, 2426, 3320, 4150, 4852, 6065, 8300, 9704, 12130, 16600, 24260, 30325, 48520, 60650, 100679, 121300, 201358, 242600, 402716, 503395, 805432, 1006790, 2013580, 2516975, 4027160, 5033950, 10067900, 20135800]

約数ペア:

[(1, 20135800), (2, 10067900), (4, 5033950), (5, 4027160), (8, 2516975), (10, 2013580), (20, 1006790), (25, 805432), (40, 503395), (50, 402716), (83, 242600), (100, 201358), (166, 121300), (200, 100679), (332, 60650), (415, 48520), (664, 30325), (830, 24260), (1213, 16600), (1660, 12130), (2075, 9704), (2426, 8300), (3320, 6065), (4150, 4852)]