20966100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{4111}}^1$

素因数の和:4145

約数の個数: 72

約数和(自身を含む): 64245888

約数和(自身を除く): 43279788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 60, 68, 75, 85, 100, 102, 150, 170, 204, 255, 300, 340, 425, 510, 850, 1020, 1275, 1700, 2550, 4111, 5100, 8222, 12333, 16444, 20555, 24666, 41110, 49332, 61665, 69887, 82220, 102775, 123330, 139774, 205550, 209661, 246660, 279548, 308325, 349435, 411100, 419322, 616650, 698870, 838644, 1048305, 1233300, 1397740, 1747175, 2096610, 3494350, 4193220, 5241525, 6988700, 10483050, 20966100]

約数ペア:

[(1, 20966100), (2, 10483050), (3, 6988700), (4, 5241525), (5, 4193220), (6, 3494350), (10, 2096610), (12, 1747175), (15, 1397740), (17, 1233300), (20, 1048305), (25, 838644), (30, 698870), (34, 616650), (50, 419322), (51, 411100), (60, 349435), (68, 308325), (75, 279548), (85, 246660), (100, 209661), (102, 205550), (150, 139774), (170, 123330), (204, 102775), (255, 82220), (300, 69887), (340, 61665), (425, 49332), (510, 41110), (850, 24666), (1020, 20555), (1275, 16444), (1700, 12333), (2550, 8222), (4111, 5100)]