20637232

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2393}}^1$

素因数の和:2426

約数の個数: 60

約数和(自身を含む): 50762376

約数和(自身を除く): 30125144

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 2393, 4312, 4786, 8624, 9572, 16751, 19144, 26323, 33502, 38288, 52646, 67004, 105292, 117257, 134008, 184261, 210584, 234514, 268016, 368522, 421168, 469028, 737044, 938056, 1289827, 1474088, 1876112, 2579654, 2948176, 5159308, 10318616, 20637232]

約数ペア:

[(1, 20637232), (2, 10318616), (4, 5159308), (7, 2948176), (8, 2579654), (11, 1876112), (14, 1474088), (16, 1289827), (22, 938056), (28, 737044), (44, 469028), (49, 421168), (56, 368522), (77, 268016), (88, 234514), (98, 210584), (112, 184261), (154, 134008), (176, 117257), (196, 105292), (308, 67004), (392, 52646), (539, 38288), (616, 33502), (784, 26323), (1078, 19144), (1232, 16751), (2156, 9572), (2393, 8624), (4312, 4786)]