20555976

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 60641280

約数和(自身を除く): 40085304

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 217, 248, 372, 434, 651, 744, 868, 1302, 1736, 2604, 3947, 5208, 7894, 11841, 15788, 23682, 27629, 31576, 47364, 55258, 82887, 94728, 110516, 122357, 165774, 221032, 244714, 331548, 367071, 489428, 663096, 734142, 856499, 978856, 1468284, 1712998, 2569497, 2936568, 3425996, 5138994, 6851992, 10277988, 20555976]

約数ペア:

[(1, 20555976), (2, 10277988), (3, 6851992), (4, 5138994), (6, 3425996), (7, 2936568), (8, 2569497), (12, 1712998), (14, 1468284), (21, 978856), (24, 856499), (28, 734142), (31, 663096), (42, 489428), (56, 367071), (62, 331548), (84, 244714), (93, 221032), (124, 165774), (168, 122357), (186, 110516), (217, 94728), (248, 82887), (372, 55258), (434, 47364), (651, 31576), (744, 27629), (868, 23682), (1302, 15788), (1736, 11841), (2604, 7894), (3947, 5208)]