20043136

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:243

約数の個数: 64

約数和(自身を含む): 43256160

約数和(自身を除く): 23213024

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 61, 64, 68, 122, 128, 136, 151, 244, 272, 302, 488, 544, 604, 976, 1037, 1088, 1208, 1952, 2074, 2176, 2416, 2567, 3904, 4148, 4832, 5134, 7808, 8296, 9211, 9664, 10268, 16592, 18422, 19328, 20536, 33184, 36844, 41072, 66368, 73688, 82144, 132736, 147376, 156587, 164288, 294752, 313174, 328576, 589504, 626348, 1179008, 1252696, 2505392, 5010784, 10021568, 20043136]

約数ペア:

[(1, 20043136), (2, 10021568), (4, 5010784), (8, 2505392), (16, 1252696), (17, 1179008), (32, 626348), (34, 589504), (61, 328576), (64, 313174), (68, 294752), (122, 164288), (128, 156587), (136, 147376), (151, 132736), (244, 82144), (272, 73688), (302, 66368), (488, 41072), (544, 36844), (604, 33184), (976, 20536), (1037, 19328), (1088, 18422), (1208, 16592), (1952, 10268), (2074, 9664), (2176, 9211), (2416, 8296), (2567, 7808), (3904, 5134), (4148, 4832)]