20366176

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:132

約数の個数: 72

約数和(自身を含む): 44357544

約数和(自身を除く): 23991368

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 43, 76, 82, 86, 152, 164, 172, 304, 328, 344, 361, 608, 656, 688, 722, 779, 817, 1312, 1376, 1444, 1558, 1634, 1763, 2888, 3116, 3268, 3526, 5776, 6232, 6536, 7052, 11552, 12464, 13072, 14104, 14801, 15523, 24928, 26144, 28208, 29602, 31046, 33497, 56416, 59204, 62092, 66994, 118408, 124184, 133988, 236816, 248368, 267976, 473632, 496736, 535952, 636443, 1071904, 1272886, 2545772, 5091544, 10183088, 20366176]

約数ペア:

[(1, 20366176), (2, 10183088), (4, 5091544), (8, 2545772), (16, 1272886), (19, 1071904), (32, 636443), (38, 535952), (41, 496736), (43, 473632), (76, 267976), (82, 248368), (86, 236816), (152, 133988), (164, 124184), (172, 118408), (304, 66994), (328, 62092), (344, 59204), (361, 56416), (608, 33497), (656, 31046), (688, 29602), (722, 28208), (779, 26144), (817, 24928), (1312, 15523), (1376, 14801), (1444, 14104), (1558, 13072), (1634, 12464), (1763, 11552), (2888, 7052), (3116, 6536), (3268, 6232), (3526, 5776)]