20566832

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 47809440

約数和(自身を除く): 27242608

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 89, 101, 104, 143, 176, 178, 202, 208, 286, 356, 404, 572, 712, 808, 979, 1111, 1144, 1157, 1313, 1424, 1616, 1958, 2222, 2288, 2314, 2626, 3916, 4444, 4628, 5252, 7832, 8888, 8989, 9256, 10504, 12727, 14443, 15664, 17776, 17978, 18512, 21008, 25454, 28886, 35956, 50908, 57772, 71912, 98879, 101816, 115544, 116857, 143824, 197758, 203632, 231088, 233714, 395516, 467428, 791032, 934856, 1285427, 1582064, 1869712, 2570854, 5141708, 10283416, 20566832]

約数ペア:

[(1, 20566832), (2, 10283416), (4, 5141708), (8, 2570854), (11, 1869712), (13, 1582064), (16, 1285427), (22, 934856), (26, 791032), (44, 467428), (52, 395516), (88, 233714), (89, 231088), (101, 203632), (104, 197758), (143, 143824), (176, 116857), (178, 115544), (202, 101816), (208, 98879), (286, 71912), (356, 57772), (404, 50908), (572, 35956), (712, 28886), (808, 25454), (979, 21008), (1111, 18512), (1144, 17978), (1157, 17776), (1313, 15664), (1424, 14443), (1616, 12727), (1958, 10504), (2222, 9256), (2288, 8989), (2314, 8888), (2626, 7832), (3916, 5252), (4444, 4628)]