20622672

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:561

約数の個数: 120

約数和(自身を含む): 67704000

約数和(自身を除く): 47081328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 41, 42, 48, 56, 63, 72, 82, 84, 112, 123, 126, 144, 164, 168, 246, 252, 287, 328, 336, 369, 492, 499, 504, 574, 656, 738, 861, 984, 998, 1008, 1148, 1476, 1497, 1722, 1968, 1996, 2296, 2583, 2952, 2994, 3444, 3493, 3992, 4491, 4592, 5166, 5904, 5988, 6888, 6986, 7984, 8982, 10332, 10479, 11976, 13776, 13972, 17964, 20459, 20664, 20958, 23952, 27944, 31437, 35928, 40918, 41328, 41916, 55888, 61377, 62874, 71856, 81836, 83832, 122754, 125748, 143213, 163672, 167664, 184131, 245508, 251496, 286426, 327344, 368262, 429639, 491016, 502992, 572852, 736524, 859278, 982032, 1145704, 1288917, 1473048, 1718556, 2291408, 2577834, 2946096, 3437112, 5155668, 6874224, 10311336, 20622672]

約数ペア:

[(1, 20622672), (2, 10311336), (3, 6874224), (4, 5155668), (6, 3437112), (7, 2946096), (8, 2577834), (9, 2291408), (12, 1718556), (14, 1473048), (16, 1288917), (18, 1145704), (21, 982032), (24, 859278), (28, 736524), (36, 572852), (41, 502992), (42, 491016), (48, 429639), (56, 368262), (63, 327344), (72, 286426), (82, 251496), (84, 245508), (112, 184131), (123, 167664), (126, 163672), (144, 143213), (164, 125748), (168, 122754), (246, 83832), (252, 81836), (287, 71856), (328, 62874), (336, 61377), (369, 55888), (492, 41916), (499, 41328), (504, 40918), (574, 35928), (656, 31437), (738, 27944), (861, 23952), (984, 20958), (998, 20664), (1008, 20459), (1148, 17964), (1476, 13972), (1497, 13776), (1722, 11976), (1968, 10479), (1996, 10332), (2296, 8982), (2583, 7984), (2952, 6986), (2994, 6888), (3444, 5988), (3493, 5904), (3992, 5166), (4491, 4592)]