20009528

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2953}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 47145840

約数和(自身を除く): 27136312

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 2953, 3388, 5906, 6776, 11812, 20671, 23624, 32483, 41342, 64966, 82684, 129932, 165368, 227381, 259864, 357313, 454762, 714626, 909524, 1429252, 1819048, 2501191, 2858504, 5002382, 10004764, 20009528]

約数ペア:

[(1, 20009528), (2, 10004764), (4, 5002382), (7, 2858504), (8, 2501191), (11, 1819048), (14, 1429252), (22, 909524), (28, 714626), (44, 454762), (56, 357313), (77, 259864), (88, 227381), (121, 165368), (154, 129932), (242, 82684), (308, 64966), (484, 41342), (616, 32483), (847, 23624), (968, 20671), (1694, 11812), (2953, 6776), (3388, 5906)]