20886528

素因数分解:

$2^{10}\times 3^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1$

素因数の和:559

約数の個数: 88

約数和(自身を含む): 60067168

約数和(自身を除く): 39180640

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 523, 624, 768, 832, 1024, 1046, 1248, 1536, 1569, 1664, 2092, 2496, 3072, 3138, 3328, 4184, 4992, 6276, 6656, 6799, 8368, 9984, 12552, 13312, 13598, 16736, 19968, 20397, 25104, 27196, 33472, 39936, 40794, 50208, 54392, 66944, 81588, 100416, 108784, 133888, 163176, 200832, 217568, 267776, 326352, 401664, 435136, 535552, 652704, 803328, 870272, 1305408, 1606656, 1740544, 2610816, 3481088, 5221632, 6962176, 10443264, 20886528]

約数ペア:

[(1, 20886528), (2, 10443264), (3, 6962176), (4, 5221632), (6, 3481088), (8, 2610816), (12, 1740544), (13, 1606656), (16, 1305408), (24, 870272), (26, 803328), (32, 652704), (39, 535552), (48, 435136), (52, 401664), (64, 326352), (78, 267776), (96, 217568), (104, 200832), (128, 163176), (156, 133888), (192, 108784), (208, 100416), (256, 81588), (312, 66944), (384, 54392), (416, 50208), (512, 40794), (523, 39936), (624, 33472), (768, 27196), (832, 25104), (1024, 20397), (1046, 19968), (1248, 16736), (1536, 13598), (1569, 13312), (1664, 12552), (2092, 9984), (2496, 8368), (3072, 6799), (3138, 6656), (3328, 6276), (4184, 4992)]