20655184

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{227}}^1$

素因数の和:304

約数の個数: 60

約数和(自身を含む): 45122112

約数和(自身を除く): 24466928

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 47, 88, 94, 121, 176, 188, 227, 242, 376, 454, 484, 517, 752, 908, 968, 1034, 1816, 1936, 2068, 2497, 3632, 4136, 4994, 5687, 8272, 9988, 10669, 11374, 19976, 21338, 22748, 27467, 39952, 42676, 45496, 54934, 85352, 90992, 109868, 117359, 170704, 219736, 234718, 439472, 469436, 938872, 1290949, 1877744, 2581898, 5163796, 10327592, 20655184]

約数ペア:

[(1, 20655184), (2, 10327592), (4, 5163796), (8, 2581898), (11, 1877744), (16, 1290949), (22, 938872), (44, 469436), (47, 439472), (88, 234718), (94, 219736), (121, 170704), (176, 117359), (188, 109868), (227, 90992), (242, 85352), (376, 54934), (454, 45496), (484, 42676), (517, 39952), (752, 27467), (908, 22748), (968, 21338), (1034, 19976), (1816, 11374), (1936, 10669), (2068, 9988), (2497, 8272), (3632, 5687), (4136, 4994)]