20143952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 80

約数和(自身を含む): 44520960

約数和(自身を除く): 24377008

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 43, 46, 67, 76, 86, 92, 134, 152, 172, 184, 268, 304, 344, 368, 437, 536, 688, 817, 874, 989, 1072, 1273, 1541, 1634, 1748, 1978, 2546, 2881, 3082, 3268, 3496, 3956, 5092, 5762, 6164, 6536, 6992, 7912, 10184, 11524, 12328, 13072, 15824, 18791, 20368, 23048, 24656, 29279, 37582, 46096, 54739, 58558, 66263, 75164, 109478, 117116, 132526, 150328, 218956, 234232, 265052, 300656, 437912, 468464, 530104, 875824, 1060208, 1258997, 2517994, 5035988, 10071976, 20143952]

約数ペア:

[(1, 20143952), (2, 10071976), (4, 5035988), (8, 2517994), (16, 1258997), (19, 1060208), (23, 875824), (38, 530104), (43, 468464), (46, 437912), (67, 300656), (76, 265052), (86, 234232), (92, 218956), (134, 150328), (152, 132526), (172, 117116), (184, 109478), (268, 75164), (304, 66263), (344, 58558), (368, 54739), (437, 46096), (536, 37582), (688, 29279), (817, 24656), (874, 23048), (989, 20368), (1072, 18791), (1273, 15824), (1541, 13072), (1634, 12328), (1748, 11524), (1978, 10184), (2546, 7912), (2881, 6992), (3082, 6536), (3268, 6164), (3496, 5762), (3956, 5092)]