20239408

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9511}}^1$

素因数の和:9545

約数の個数: 40

約数和(自身を含む): 47179520

約数和(自身を除く): 26940112

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9511, 19022, 38044, 66577, 76088, 133154, 152176, 180709, 266308, 361418, 532616, 722836, 1065232, 1264963, 1445672, 2529926, 2891344, 5059852, 10119704, 20239408]

約数ペア:

[(1, 20239408), (2, 10119704), (4, 5059852), (7, 2891344), (8, 2529926), (14, 1445672), (16, 1264963), (19, 1065232), (28, 722836), (38, 532616), (56, 361418), (76, 266308), (112, 180709), (133, 152176), (152, 133154), (266, 76088), (304, 66577), (532, 38044), (1064, 19022), (2128, 9511)]