15720784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1993}}^1$

素因数の和:2047

約数の個数: 40

約数和(自身を含む): 33379560

約数和(自身を除く): 17658776

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 1993, 3944, 3986, 7888, 7972, 15944, 31888, 33881, 57797, 67762, 115594, 135524, 231188, 271048, 462376, 542096, 924752, 982549, 1965098, 3930196, 7860392, 15720784]

約数ペア:

[(1, 15720784), (2, 7860392), (4, 3930196), (8, 1965098), (16, 982549), (17, 924752), (29, 542096), (34, 462376), (58, 271048), (68, 231188), (116, 135524), (136, 115594), (232, 67762), (272, 57797), (464, 33881), (493, 31888), (986, 15944), (1972, 7972), (1993, 7888), (3944, 3986)]