20791500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:272

約数の個数: 96

約数和(自身を含む): 61641216

約数和(自身を除く): 40849716

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 83, 100, 125, 150, 166, 167, 249, 250, 300, 332, 334, 375, 415, 498, 500, 501, 668, 750, 830, 835, 996, 1002, 1245, 1500, 1660, 1670, 2004, 2075, 2490, 2505, 3340, 4150, 4175, 4980, 5010, 6225, 8300, 8350, 10020, 10375, 12450, 12525, 13861, 16700, 20750, 20875, 24900, 25050, 27722, 31125, 41500, 41583, 41750, 50100, 55444, 62250, 62625, 69305, 83166, 83500, 124500, 125250, 138610, 166332, 207915, 250500, 277220, 346525, 415830, 693050, 831660, 1039575, 1386100, 1732625, 2079150, 3465250, 4158300, 5197875, 6930500, 10395750, 20791500]

約数ペア:

[(1, 20791500), (2, 10395750), (3, 6930500), (4, 5197875), (5, 4158300), (6, 3465250), (10, 2079150), (12, 1732625), (15, 1386100), (20, 1039575), (25, 831660), (30, 693050), (50, 415830), (60, 346525), (75, 277220), (83, 250500), (100, 207915), (125, 166332), (150, 138610), (166, 125250), (167, 124500), (249, 83500), (250, 83166), (300, 69305), (332, 62625), (334, 62250), (375, 55444), (415, 50100), (498, 41750), (500, 41583), (501, 41500), (668, 31125), (750, 27722), (830, 25050), (835, 24900), (996, 20875), (1002, 20750), (1245, 16700), (1500, 13861), (1660, 12525), (1670, 12450), (2004, 10375), (2075, 10020), (2490, 8350), (2505, 8300), (3340, 6225), (4150, 5010), (4175, 4980)]