20416473

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1733}}^1$

素因数の和:1774

約数の個数: 48

約数和(自身を含む): 38952576

約数和(自身を除く): 18536103

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 99, 119, 153, 187, 231, 357, 561, 693, 1071, 1309, 1683, 1733, 3927, 5199, 11781, 12131, 15597, 19063, 29461, 36393, 57189, 88383, 109179, 133441, 171567, 206227, 265149, 324071, 400323, 618681, 972213, 1200969, 1856043, 2268497, 2916639, 6805491, 20416473]

約数ペア:

[(1, 20416473), (3, 6805491), (7, 2916639), (9, 2268497), (11, 1856043), (17, 1200969), (21, 972213), (33, 618681), (51, 400323), (63, 324071), (77, 265149), (99, 206227), (119, 171567), (153, 133441), (187, 109179), (231, 88383), (357, 57189), (561, 36393), (693, 29461), (1071, 19063), (1309, 15597), (1683, 12131), (1733, 11781), (3927, 5199)]