20806674

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 53778816

約数和(自身を除く): 32972142

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 23, 34, 42, 46, 49, 51, 69, 98, 102, 119, 138, 147, 161, 181, 238, 294, 322, 357, 362, 391, 483, 543, 714, 782, 833, 966, 1086, 1127, 1173, 1267, 1666, 2254, 2346, 2499, 2534, 2737, 3077, 3381, 3801, 4163, 4998, 5474, 6154, 6762, 7602, 8211, 8326, 8869, 9231, 12489, 16422, 17738, 18462, 19159, 21539, 24978, 26607, 29141, 38318, 43078, 53214, 57477, 58282, 64617, 70771, 87423, 114954, 129234, 141542, 150773, 174846, 203987, 212313, 301546, 407974, 424626, 452319, 495397, 611961, 904638, 990794, 1223922, 1486191, 2972382, 3467779, 6935558, 10403337, 20806674]

約数ペア:

[(1, 20806674), (2, 10403337), (3, 6935558), (6, 3467779), (7, 2972382), (14, 1486191), (17, 1223922), (21, 990794), (23, 904638), (34, 611961), (42, 495397), (46, 452319), (49, 424626), (51, 407974), (69, 301546), (98, 212313), (102, 203987), (119, 174846), (138, 150773), (147, 141542), (161, 129234), (181, 114954), (238, 87423), (294, 70771), (322, 64617), (357, 58282), (362, 57477), (391, 53214), (483, 43078), (543, 38318), (714, 29141), (782, 26607), (833, 24978), (966, 21539), (1086, 19159), (1127, 18462), (1173, 17738), (1267, 16422), (1666, 12489), (2254, 9231), (2346, 8869), (2499, 8326), (2534, 8211), (2737, 7602), (3077, 6762), (3381, 6154), (3801, 5474), (4163, 4998)]