20081908140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{34673}}^1$

素因数の和:34896

約数の個数: 144

約数和(自身を含む): 65743568352

約数和(自身を除く): 45661660212

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 197, 210, 245, 294, 394, 420, 490, 588, 591, 735, 788, 980, 985, 1182, 1379, 1470, 1970, 2364, 2758, 2940, 2955, 3940, 4137, 5516, 5910, 6895, 8274, 9653, 11820, 13790, 16548, 19306, 20685, 27580, 28959, 34673, 38612, 41370, 48265, 57918, 69346, 82740, 96530, 104019, 115836, 138692, 144795, 173365, 193060, 208038, 242711, 289590, 346730, 416076, 485422, 520095, 579180, 693460, 728133, 970844, 1040190, 1213555, 1456266, 1698977, 2080380, 2427110, 2912532, 3397954, 3640665, 4854220, 5096931, 6795908, 6830581, 7281330, 8494885, 10193862, 13661162, 14562660, 16989770, 20387724, 20491743, 25484655, 27322324, 33979540, 34152905, 40983486, 47814067, 50969310, 68305810, 81966972, 95628134, 101938620, 102458715, 136611620, 143442201, 191256268, 204917430, 239070335, 286884402, 334698469, 409834860, 478140670, 573768804, 669396938, 717211005, 956281340, 1004095407, 1338793876, 1434422010, 1673492345, 2008190814, 2868844020, 3346984690, 4016381628, 5020477035, 6693969380, 10040954070, 20081908140]

約数ペア:

[(1, 20081908140), (2, 10040954070), (3, 6693969380), (4, 5020477035), (5, 4016381628), (6, 3346984690), (7, 2868844020), (10, 2008190814), (12, 1673492345), (14, 1434422010), (15, 1338793876), (20, 1004095407), (21, 956281340), (28, 717211005), (30, 669396938), (35, 573768804), (42, 478140670), (49, 409834860), (60, 334698469), (70, 286884402), (84, 239070335), (98, 204917430), (105, 191256268), (140, 143442201), (147, 136611620), (196, 102458715), (197, 101938620), (210, 95628134), (245, 81966972), (294, 68305810), (394, 50969310), (420, 47814067), (490, 40983486), (588, 34152905), (591, 33979540), (735, 27322324), (788, 25484655), (980, 20491743), (985, 20387724), (1182, 16989770), (1379, 14562660), (1470, 13661162), (1970, 10193862), (2364, 8494885), (2758, 7281330), (2940, 6830581), (2955, 6795908), (3940, 5096931), (4137, 4854220), (5516, 3640665), (5910, 3397954), (6895, 2912532), (8274, 2427110), (9653, 2080380), (11820, 1698977), (13790, 1456266), (16548, 1213555), (19306, 1040190), (20685, 970844), (27580, 728133), (28959, 693460), (34673, 579180), (38612, 520095), (41370, 485422), (48265, 416076), (57918, 346730), (69346, 289590), (82740, 242711), (96530, 208038), (104019, 193060), (115836, 173365), (138692, 144795)]