20109222

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 54093312

約数和(自身を除く): 33984090

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 81, 126, 138, 161, 162, 189, 207, 243, 257, 322, 378, 414, 483, 486, 514, 567, 621, 771, 966, 1134, 1242, 1449, 1542, 1701, 1799, 1863, 2313, 2898, 3402, 3598, 3726, 4347, 4626, 5397, 5589, 5911, 6939, 8694, 10794, 11178, 11822, 13041, 13878, 16191, 17733, 20817, 26082, 32382, 35466, 39123, 41377, 41634, 48573, 53199, 62451, 78246, 82754, 97146, 106398, 124131, 124902, 145719, 159597, 248262, 291438, 319194, 372393, 437157, 478791, 744786, 874314, 957582, 1117179, 1436373, 2234358, 2872746, 3351537, 6703074, 10054611, 20109222]

約数ペア:

[(1, 20109222), (2, 10054611), (3, 6703074), (6, 3351537), (7, 2872746), (9, 2234358), (14, 1436373), (18, 1117179), (21, 957582), (23, 874314), (27, 744786), (42, 478791), (46, 437157), (54, 372393), (63, 319194), (69, 291438), (81, 248262), (126, 159597), (138, 145719), (161, 124902), (162, 124131), (189, 106398), (207, 97146), (243, 82754), (257, 78246), (322, 62451), (378, 53199), (414, 48573), (483, 41634), (486, 41377), (514, 39123), (567, 35466), (621, 32382), (771, 26082), (966, 20817), (1134, 17733), (1242, 16191), (1449, 13878), (1542, 13041), (1701, 11822), (1799, 11178), (1863, 10794), (2313, 8694), (2898, 6939), (3402, 5911), (3598, 5589), (3726, 5397), (4347, 4626)]