20674544

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 60

約数和(自身を含む): 45023160

約数和(自身を除く): 24348616

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 59, 88, 118, 121, 176, 181, 236, 242, 362, 472, 484, 649, 724, 944, 968, 1298, 1448, 1936, 1991, 2596, 2896, 3982, 5192, 7139, 7964, 10384, 10679, 14278, 15928, 21358, 21901, 28556, 31856, 42716, 43802, 57112, 85432, 87604, 114224, 117469, 170864, 175208, 234938, 350416, 469876, 939752, 1292159, 1879504, 2584318, 5168636, 10337272, 20674544]

約数ペア:

[(1, 20674544), (2, 10337272), (4, 5168636), (8, 2584318), (11, 1879504), (16, 1292159), (22, 939752), (44, 469876), (59, 350416), (88, 234938), (118, 175208), (121, 170864), (176, 117469), (181, 114224), (236, 87604), (242, 85432), (362, 57112), (472, 43802), (484, 42716), (649, 31856), (724, 28556), (944, 21901), (968, 21358), (1298, 15928), (1448, 14278), (1936, 10679), (1991, 10384), (2596, 7964), (2896, 7139), (3982, 5192)]