About the Number

20809020100

20809020099 ← → 20809020101

2進数表記:10011011000010100000111001011000100

漢数字表記:二百八億九百二万百

素因数分解:

2 2 × 5 2 × 11 1 × 43 1 × 163 1 × 2699 1

素因数の和:2930
約数の個数: 144
約数和(自身を含む): 50734252800
約数和(自身を除く): 29925232700

約数列:
[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 163, 172, 215, 220, 275, 326, 430, 473, 550, 652, 815, 860, 946, 1075, 1100, 1630, 1793, 1892, 2150, 2365, 2699, 3260, 3586, 4075, 4300, 4730, 5398, 7009, 7172, 8150, 8965, 9460, 10796, 11825, 13495, 14018, 16300, 17930, 23650, 26990, 28036, 29689, 35045, 35860, 44825, 47300, 53980, 59378, 67475, 70090, 77099, 89650, 116057, 118756, 134950, 140180, 148445, 154198, 175225, 179300, 232114, 269900, 296890, 308396, 350450, 385495, 439937, 464228, 580285, 593780, 700900, 742225, 770990, 879874, 1160570, 1276627, 1484450, 1541980, 1759748, 1927475, 2199685, 2321140, 2553254, 2901425, 2968900, 3854950, 4399370, 4839307, 5106508, 5802850, 6383135, 7709900, 8798740, 9678614, 10998425, 11605700, 12766270, 18917291, 19357228, 21996850, 24196535, 25532540, 31915675, 37834582, 43993700, 48393070, 63831350, 75669164, 94586455, 96786140, 120982675, 127662700, 189172910, 208090201, 241965350, 378345820, 416180402, 472932275, 483930700, 832360804, 945864550, 1040451005, 1891729100, 2080902010, 4161804020, 5202255025, 10404510050, 20809020100]

約数ペア:
[(1, 20809020100), (2, 10404510050), (4, 5202255025), (5, 4161804020), (10, 2080902010), (11, 1891729100), (20, 1040451005), (22, 945864550), (25, 832360804), (43, 483930700), (44, 472932275), (50, 416180402), (55, 378345820), (86, 241965350), (100, 208090201), (110, 189172910), (163, 127662700), (172, 120982675), (215, 96786140), (220, 94586455), (275, 75669164), (326, 63831350), (430, 48393070), (473, 43993700), (550, 37834582), (652, 31915675), (815, 25532540), (860, 24196535), (946, 21996850), (1075, 19357228), (1100, 18917291), (1630, 12766270), (1793, 11605700), (1892, 10998425), (2150, 9678614), (2365, 8798740), (2699, 7709900), (3260, 6383135), (3586, 5802850), (4075, 5106508), (4300, 4839307), (4730, 4399370), (5398, 3854950), (7009, 2968900), (7172, 2901425), (8150, 2553254), (8965, 2321140), (9460, 2199685), (10796, 1927475), (11825, 1759748), (13495, 1541980), (14018, 1484450), (16300, 1276627), (17930, 1160570), (23650, 879874), (26990, 770990), (28036, 742225), (29689, 700900), (35045, 593780), (35860, 580285), (44825, 464228), (47300, 439937), (53980, 385495), (59378, 350450), (67475, 308396), (70090, 296890), (77099, 269900), (89650, 232114), (116057, 179300), (118756, 175225), (134950, 154198), (140180, 148445)]

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