20724600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2689

約数の個数: 96

約数和(自身を含む): 69214320

約数和(自身を除く): 48489720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2657, 3900, 5314, 7800, 7971, 10628, 13285, 15942, 21256, 26570, 31884, 34541, 39855, 53140, 63768, 66425, 69082, 79710, 103623, 106280, 132850, 138164, 159420, 172705, 199275, 207246, 265700, 276328, 318840, 345410, 398550, 414492, 518115, 531400, 690820, 797100, 828984, 863525, 1036230, 1381640, 1594200, 1727050, 2072460, 2590575, 3454100, 4144920, 5181150, 6908200, 10362300, 20724600]

約数ペア:

[(1, 20724600), (2, 10362300), (3, 6908200), (4, 5181150), (5, 4144920), (6, 3454100), (8, 2590575), (10, 2072460), (12, 1727050), (13, 1594200), (15, 1381640), (20, 1036230), (24, 863525), (25, 828984), (26, 797100), (30, 690820), (39, 531400), (40, 518115), (50, 414492), (52, 398550), (60, 345410), (65, 318840), (75, 276328), (78, 265700), (100, 207246), (104, 199275), (120, 172705), (130, 159420), (150, 138164), (156, 132850), (195, 106280), (200, 103623), (260, 79710), (300, 69082), (312, 66425), (325, 63768), (390, 53140), (520, 39855), (600, 34541), (650, 31884), (780, 26570), (975, 21256), (1300, 15942), (1560, 13285), (1950, 10628), (2600, 7971), (2657, 7800), (3900, 5314)]