20582512

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2441}}^1$

素因数の和:2497

約数の個数: 40

約数和(自身を含む): 43604352

約数和(自身を除く): 23021840

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 2441, 4216, 4882, 8432, 9764, 19528, 39056, 41497, 75671, 82994, 151342, 165988, 302684, 331976, 605368, 663952, 1210736, 1286407, 2572814, 5145628, 10291256, 20582512]

約数ペア:

[(1, 20582512), (2, 10291256), (4, 5145628), (8, 2572814), (16, 1286407), (17, 1210736), (31, 663952), (34, 605368), (62, 331976), (68, 302684), (124, 165988), (136, 151342), (248, 82994), (272, 75671), (496, 41497), (527, 39056), (1054, 19528), (2108, 9764), (2441, 8432), (4216, 4882)]