20734208

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 46603200

約数和(自身を除く): 25868992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 199, 256, 296, 352, 398, 407, 592, 704, 796, 814, 1184, 1408, 1592, 1628, 2189, 2368, 2816, 3184, 3256, 4378, 4736, 6368, 6512, 7363, 8756, 9472, 12736, 13024, 14726, 17512, 25472, 26048, 29452, 35024, 50944, 52096, 58904, 70048, 80993, 104192, 117808, 140096, 161986, 235616, 280192, 323972, 471232, 560384, 647944, 942464, 1295888, 1884928, 2591776, 5183552, 10367104, 20734208]

約数ペア:

[(1, 20734208), (2, 10367104), (4, 5183552), (8, 2591776), (11, 1884928), (16, 1295888), (22, 942464), (32, 647944), (37, 560384), (44, 471232), (64, 323972), (74, 280192), (88, 235616), (128, 161986), (148, 140096), (176, 117808), (199, 104192), (256, 80993), (296, 70048), (352, 58904), (398, 52096), (407, 50944), (592, 35024), (704, 29452), (796, 26048), (814, 25472), (1184, 17512), (1408, 14726), (1592, 13024), (1628, 12736), (2189, 9472), (2368, 8756), (2816, 7363), (3184, 6512), (3256, 6368), (4378, 4736)]