20191648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{37117}}^1$

素因数の和:37144

約数の個数: 24

約数和(自身を含む): 42091812

約数和(自身を除く): 21900164

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 37117, 74234, 148468, 296936, 593872, 630989, 1187744, 1261978, 2523956, 5047912, 10095824, 20191648]

約数ペア:

[(1, 20191648), (2, 10095824), (4, 5047912), (8, 2523956), (16, 1261978), (17, 1187744), (32, 630989), (34, 593872), (68, 296936), (136, 148468), (272, 74234), (544, 37117)]