20188974544

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{820957}}^1$

素因数の和:821047

約数の個数: 40

約数和(自身を含む): 41228510760

約数和(自身を除く): 21039536216

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 848, 1537, 3074, 6148, 12296, 24592, 820957, 1641914, 3283828, 6567656, 13135312, 23807753, 43510721, 47615506, 87021442, 95231012, 174042884, 190462024, 348085768, 380924048, 696171536, 1261810909, 2523621818, 5047243636, 10094487272, 20188974544]

約数ペア:

[(1, 20188974544), (2, 10094487272), (4, 5047243636), (8, 2523621818), (16, 1261810909), (29, 696171536), (53, 380924048), (58, 348085768), (106, 190462024), (116, 174042884), (212, 95231012), (232, 87021442), (424, 47615506), (464, 43510721), (848, 23807753), (1537, 13135312), (3074, 6567656), (6148, 3283828), (12296, 1641914), (24592, 820957)]