20122569740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{3529}}^1$

素因数の和:3812

約数の個数: 144

約数和(自身を含む): 52526738880

約数和(自身を除く): 32404169140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 241, 260, 338, 364, 455, 482, 676, 845, 910, 964, 1183, 1205, 1687, 1690, 1820, 2366, 2410, 3133, 3374, 3380, 3529, 4732, 4820, 5915, 6266, 6748, 7058, 8435, 11830, 12532, 14116, 15665, 16870, 17645, 21931, 23660, 24703, 31330, 33740, 35290, 40729, 43862, 45877, 49406, 62660, 70580, 81458, 87724, 91754, 98812, 109655, 123515, 162916, 183508, 203645, 219310, 229385, 247030, 285103, 321139, 407290, 438620, 458770, 494060, 570206, 596401, 642278, 814580, 850489, 917540, 1140412, 1192802, 1284556, 1425515, 1605695, 1700978, 2385604, 2851030, 2982005, 3211390, 3401956, 4174807, 4252445, 5702060, 5953423, 5964010, 6422780, 8349614, 8504890, 11056357, 11906846, 11928020, 16699228, 17009780, 20874035, 22112714, 23813692, 29767115, 41748070, 44225428, 55281785, 59534230, 77394499, 83496140, 110563570, 119068460, 143732641, 154788998, 221127140, 287465282, 309577996, 386972495, 574930564, 718663205, 773944990, 1006128487, 1437326410, 1547889980, 2012256974, 2874652820, 4024513948, 5030642435, 10061284870, 20122569740]

約数ペア:

[(1, 20122569740), (2, 10061284870), (4, 5030642435), (5, 4024513948), (7, 2874652820), (10, 2012256974), (13, 1547889980), (14, 1437326410), (20, 1006128487), (26, 773944990), (28, 718663205), (35, 574930564), (52, 386972495), (65, 309577996), (70, 287465282), (91, 221127140), (130, 154788998), (140, 143732641), (169, 119068460), (182, 110563570), (241, 83496140), (260, 77394499), (338, 59534230), (364, 55281785), (455, 44225428), (482, 41748070), (676, 29767115), (845, 23813692), (910, 22112714), (964, 20874035), (1183, 17009780), (1205, 16699228), (1687, 11928020), (1690, 11906846), (1820, 11056357), (2366, 8504890), (2410, 8349614), (3133, 6422780), (3374, 5964010), (3380, 5953423), (3529, 5702060), (4732, 4252445), (4820, 4174807), (5915, 3401956), (6266, 3211390), (6748, 2982005), (7058, 2851030), (8435, 2385604), (11830, 1700978), (12532, 1605695), (14116, 1425515), (15665, 1284556), (16870, 1192802), (17645, 1140412), (21931, 917540), (23660, 850489), (24703, 814580), (31330, 642278), (33740, 596401), (35290, 570206), (40729, 494060), (43862, 458770), (45877, 438620), (49406, 407290), (62660, 321139), (70580, 285103), (81458, 247030), (87724, 229385), (91754, 219310), (98812, 203645), (109655, 183508), (123515, 162916)]