20780200

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{14843}}^1$

素因数の和:14866

約数の個数: 48

約数和(自身を含む): 55219680

約数和(自身を除く): 34439480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 14843, 29686, 59372, 74215, 103901, 118744, 148430, 207802, 296860, 371075, 415604, 519505, 593720, 742150, 831208, 1039010, 1484300, 2078020, 2597525, 2968600, 4156040, 5195050, 10390100, 20780200]

約数ペア:

[(1, 20780200), (2, 10390100), (4, 5195050), (5, 4156040), (7, 2968600), (8, 2597525), (10, 2078020), (14, 1484300), (20, 1039010), (25, 831208), (28, 742150), (35, 593720), (40, 519505), (50, 415604), (56, 371075), (70, 296860), (100, 207802), (140, 148430), (175, 118744), (200, 103901), (280, 74215), (350, 59372), (700, 29686), (1400, 14843)]