20843460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 192

約数和(自身を含む): 73785600

約数和(自身を除く): 52942140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 29, 30, 33, 36, 44, 45, 54, 55, 58, 60, 66, 87, 90, 99, 108, 110, 116, 121, 132, 135, 145, 165, 174, 180, 198, 220, 242, 261, 270, 290, 297, 319, 330, 348, 363, 396, 435, 484, 495, 522, 540, 580, 594, 605, 638, 660, 726, 783, 870, 957, 990, 1044, 1089, 1188, 1210, 1276, 1305, 1331, 1452, 1485, 1566, 1595, 1740, 1815, 1914, 1980, 2178, 2420, 2610, 2662, 2871, 2970, 3132, 3190, 3267, 3509, 3630, 3828, 3915, 3993, 4356, 4785, 5220, 5324, 5445, 5742, 5940, 6380, 6534, 6655, 7018, 7260, 7830, 7986, 8613, 9570, 10527, 10890, 11484, 11979, 13068, 13310, 14036, 14355, 15660, 15972, 16335, 17226, 17545, 19140, 19965, 21054, 21780, 23958, 26620, 28710, 31581, 32670, 34452, 35090, 35937, 38599, 39930, 42108, 43065, 47916, 52635, 57420, 59895, 63162, 65340, 70180, 71874, 77198, 79860, 86130, 94743, 105270, 115797, 119790, 126324, 143748, 154396, 157905, 172260, 179685, 189486, 192995, 210540, 231594, 239580, 315810, 347391, 359370, 378972, 385990, 463188, 473715, 578985, 631620, 694782, 718740, 771980, 947430, 1042173, 1157970, 1389564, 1736955, 1894860, 2084346, 2315940, 3473910, 4168692, 5210865, 6947820, 10421730, 20843460]

約数ペア:

[(1, 20843460), (2, 10421730), (3, 6947820), (4, 5210865), (5, 4168692), (6, 3473910), (9, 2315940), (10, 2084346), (11, 1894860), (12, 1736955), (15, 1389564), (18, 1157970), (20, 1042173), (22, 947430), (27, 771980), (29, 718740), (30, 694782), (33, 631620), (36, 578985), (44, 473715), (45, 463188), (54, 385990), (55, 378972), (58, 359370), (60, 347391), (66, 315810), (87, 239580), (90, 231594), (99, 210540), (108, 192995), (110, 189486), (116, 179685), (121, 172260), (132, 157905), (135, 154396), (145, 143748), (165, 126324), (174, 119790), (180, 115797), (198, 105270), (220, 94743), (242, 86130), (261, 79860), (270, 77198), (290, 71874), (297, 70180), (319, 65340), (330, 63162), (348, 59895), (363, 57420), (396, 52635), (435, 47916), (484, 43065), (495, 42108), (522, 39930), (540, 38599), (580, 35937), (594, 35090), (605, 34452), (638, 32670), (660, 31581), (726, 28710), (783, 26620), (870, 23958), (957, 21780), (990, 21054), (1044, 19965), (1089, 19140), (1188, 17545), (1210, 17226), (1276, 16335), (1305, 15972), (1331, 15660), (1452, 14355), (1485, 14036), (1566, 13310), (1595, 13068), (1740, 11979), (1815, 11484), (1914, 10890), (1980, 10527), (2178, 9570), (2420, 8613), (2610, 7986), (2662, 7830), (2871, 7260), (2970, 7018), (3132, 6655), (3190, 6534), (3267, 6380), (3509, 5940), (3630, 5742), (3828, 5445), (3915, 5324), (3993, 5220), (4356, 4785)]