20653912

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8035

約数の個数: 32

約数和(自身を含む): 43167600

約数和(自身を除く): 22513688

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 7993, 15986, 31972, 63944, 135881, 151867, 271762, 303734, 543524, 607468, 1087048, 1214936, 2581739, 5163478, 10326956, 20653912]

約数ペア:

[(1, 20653912), (2, 10326956), (4, 5163478), (8, 2581739), (17, 1214936), (19, 1087048), (34, 607468), (38, 543524), (68, 303734), (76, 271762), (136, 151867), (152, 135881), (323, 63944), (646, 31972), (1292, 15986), (2584, 7993)]