20636143220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{751}}^1\times {\mathrm{2549}}^1$

素因数の和:3334

約数の個数: 144

約数和(自身を含む): 55088812800

約数和(自身を除く): 34452669580

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 751, 770, 980, 1078, 1502, 1540, 2156, 2549, 2695, 3004, 3755, 5098, 5257, 5390, 7510, 8261, 10196, 10514, 10780, 12745, 15020, 16522, 17843, 21028, 25490, 26285, 28039, 33044, 35686, 36799, 41305, 50980, 52570, 56078, 57827, 71372, 73598, 82610, 89215, 105140, 112156, 115654, 124901, 140195, 147196, 165220, 178430, 183995, 196273, 231308, 249802, 280390, 289135, 356860, 367990, 392546, 404789, 499604, 560780, 578270, 624505, 735980, 785092, 809578, 981365, 1156540, 1249010, 1373911, 1619156, 1914299, 1962730, 2023945, 2498020, 2747822, 3828598, 3925460, 4047890, 5495644, 6869555, 7657196, 8095780, 9571495, 13400093, 13739110, 19142990, 21057289, 26800186, 27478220, 38285980, 42114578, 53600372, 67000465, 84229156, 93800651, 105286445, 134000930, 147401023, 187601302, 210572890, 268001860, 294802046, 375202604, 421145780, 469003255, 589604092, 737005115, 938006510, 1031807161, 1474010230, 1876013020, 2063614322, 2948020460, 4127228644, 5159035805, 10318071610, 20636143220]

約数ペア:

[(1, 20636143220), (2, 10318071610), (4, 5159035805), (5, 4127228644), (7, 2948020460), (10, 2063614322), (11, 1876013020), (14, 1474010230), (20, 1031807161), (22, 938006510), (28, 737005115), (35, 589604092), (44, 469003255), (49, 421145780), (55, 375202604), (70, 294802046), (77, 268001860), (98, 210572890), (110, 187601302), (140, 147401023), (154, 134000930), (196, 105286445), (220, 93800651), (245, 84229156), (308, 67000465), (385, 53600372), (490, 42114578), (539, 38285980), (751, 27478220), (770, 26800186), (980, 21057289), (1078, 19142990), (1502, 13739110), (1540, 13400093), (2156, 9571495), (2549, 8095780), (2695, 7657196), (3004, 6869555), (3755, 5495644), (5098, 4047890), (5257, 3925460), (5390, 3828598), (7510, 2747822), (8261, 2498020), (10196, 2023945), (10514, 1962730), (10780, 1914299), (12745, 1619156), (15020, 1373911), (16522, 1249010), (17843, 1156540), (21028, 981365), (25490, 809578), (26285, 785092), (28039, 735980), (33044, 624505), (35686, 578270), (36799, 560780), (41305, 499604), (50980, 404789), (52570, 392546), (56078, 367990), (57827, 356860), (71372, 289135), (73598, 280390), (82610, 249802), (89215, 231308), (105140, 196273), (112156, 183995), (115654, 178430), (124901, 165220), (140195, 147196)]