20599648

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2039

約数の個数: 48

約数和(自身を含む): 45223920

約数和(自身を除く): 24624272

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1993, 2584, 3986, 5168, 7972, 10336, 15944, 31888, 33881, 37867, 63776, 67762, 75734, 135524, 151468, 271048, 302936, 542096, 605872, 643739, 1084192, 1211744, 1287478, 2574956, 5149912, 10299824, 20599648]

約数ペア:

[(1, 20599648), (2, 10299824), (4, 5149912), (8, 2574956), (16, 1287478), (17, 1211744), (19, 1084192), (32, 643739), (34, 605872), (38, 542096), (68, 302936), (76, 271048), (136, 151468), (152, 135524), (272, 75734), (304, 67762), (323, 63776), (544, 37867), (608, 33881), (646, 31888), (1292, 15944), (1993, 10336), (2584, 7972), (3986, 5168)]