20665200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{1013}}^1$

素因数の和:1051

約数の個数: 120

約数和(自身を含む): 70160688

約数和(自身を除く): 49495488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 25, 30, 34, 40, 48, 50, 51, 60, 68, 75, 80, 85, 100, 102, 120, 136, 150, 170, 200, 204, 240, 255, 272, 300, 340, 400, 408, 425, 510, 600, 680, 816, 850, 1013, 1020, 1200, 1275, 1360, 1700, 2026, 2040, 2550, 3039, 3400, 4052, 4080, 5065, 5100, 6078, 6800, 8104, 10130, 10200, 12156, 15195, 16208, 17221, 20260, 20400, 24312, 25325, 30390, 34442, 40520, 48624, 50650, 51663, 60780, 68884, 75975, 81040, 86105, 101300, 103326, 121560, 137768, 151950, 172210, 202600, 206652, 243120, 258315, 275536, 303900, 344420, 405200, 413304, 430525, 516630, 607800, 688840, 826608, 861050, 1033260, 1215600, 1291575, 1377680, 1722100, 2066520, 2583150, 3444200, 4133040, 5166300, 6888400, 10332600, 20665200]

約数ペア:

[(1, 20665200), (2, 10332600), (3, 6888400), (4, 5166300), (5, 4133040), (6, 3444200), (8, 2583150), (10, 2066520), (12, 1722100), (15, 1377680), (16, 1291575), (17, 1215600), (20, 1033260), (24, 861050), (25, 826608), (30, 688840), (34, 607800), (40, 516630), (48, 430525), (50, 413304), (51, 405200), (60, 344420), (68, 303900), (75, 275536), (80, 258315), (85, 243120), (100, 206652), (102, 202600), (120, 172210), (136, 151950), (150, 137768), (170, 121560), (200, 103326), (204, 101300), (240, 86105), (255, 81040), (272, 75975), (300, 68884), (340, 60780), (400, 51663), (408, 50650), (425, 48624), (510, 40520), (600, 34442), (680, 30390), (816, 25325), (850, 24312), (1013, 20400), (1020, 20260), (1200, 17221), (1275, 16208), (1360, 15195), (1700, 12156), (2026, 10200), (2040, 10130), (2550, 8104), (3039, 6800), (3400, 6078), (4052, 5100), (4080, 5065)]