20732452

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 42336000

約数和(自身を除く): 21603548

約数列:

[1, 2, 4, 13, 17, 26, 34, 47, 52, 68, 94, 188, 221, 442, 499, 611, 799, 884, 998, 1222, 1598, 1996, 2444, 3196, 6487, 8483, 10387, 12974, 16966, 20774, 23453, 25948, 33932, 41548, 46906, 93812, 110279, 220558, 304889, 398701, 441116, 609778, 797402, 1219556, 1594804, 5183113, 10366226, 20732452]

約数ペア:

[(1, 20732452), (2, 10366226), (4, 5183113), (13, 1594804), (17, 1219556), (26, 797402), (34, 609778), (47, 441116), (52, 398701), (68, 304889), (94, 220558), (188, 110279), (221, 93812), (442, 46906), (499, 41548), (611, 33932), (799, 25948), (884, 23453), (998, 20774), (1222, 16966), (1598, 12974), (1996, 10387), (2444, 8483), (3196, 6487)]