20123237372

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{3617}}^1$

素因数の和:3867

約数の個数: 96

約数和(自身を含む): 43063114752

約数和(自身を除く): 22939877380

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 106, 161, 163, 212, 322, 326, 371, 644, 652, 742, 1141, 1219, 1484, 2282, 2438, 3617, 3749, 4564, 4876, 7234, 7498, 8533, 8639, 14468, 14996, 17066, 17278, 25319, 26243, 34132, 34556, 50638, 52486, 60473, 83191, 101276, 104972, 120946, 166382, 191701, 198697, 241892, 332764, 383402, 397394, 582337, 589571, 766804, 794788, 1164674, 1179142, 1341907, 1390879, 2329348, 2358284, 2683814, 2781758, 4126997, 4409123, 5367628, 5563516, 8253994, 8818246, 13560133, 16507988, 17636492, 27120266, 30863861, 31247263, 54240532, 61727722, 62494526, 94920931, 123455444, 124989052, 189841862, 218730841, 379683724, 437461682, 718687049, 874923364, 1437374098, 2874748196, 5030809343, 10061618686, 20123237372]

約数ペア:

[(1, 20123237372), (2, 10061618686), (4, 5030809343), (7, 2874748196), (14, 1437374098), (23, 874923364), (28, 718687049), (46, 437461682), (53, 379683724), (92, 218730841), (106, 189841862), (161, 124989052), (163, 123455444), (212, 94920931), (322, 62494526), (326, 61727722), (371, 54240532), (644, 31247263), (652, 30863861), (742, 27120266), (1141, 17636492), (1219, 16507988), (1484, 13560133), (2282, 8818246), (2438, 8253994), (3617, 5563516), (3749, 5367628), (4564, 4409123), (4876, 4126997), (7234, 2781758), (7498, 2683814), (8533, 2358284), (8639, 2329348), (14468, 1390879), (14996, 1341907), (17066, 1179142), (17278, 1164674), (25319, 794788), (26243, 766804), (34132, 589571), (34556, 582337), (50638, 397394), (52486, 383402), (60473, 332764), (83191, 241892), (101276, 198697), (104972, 191701), (120946, 166382)]