20249985786

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{4157}}^1$

素因数の和:4523

約数の個数: 64

約数和(自身を含む): 42152140800

約数和(自身を除く): 21902155014

約数列:

[1, 2, 3, 6, 43, 79, 86, 129, 158, 237, 239, 258, 474, 478, 717, 1434, 3397, 4157, 6794, 8314, 10191, 10277, 12471, 18881, 20382, 20554, 24942, 30831, 37762, 56643, 61662, 113286, 178751, 328403, 357502, 536253, 656806, 811883, 985209, 993523, 1072506, 1623766, 1970418, 1987046, 2435649, 2980569, 4871298, 5961138, 14121329, 28242658, 42363987, 42721489, 78488317, 84727974, 85442978, 128164467, 156976634, 235464951, 256328934, 470929902, 3374997631, 6749995262, 10124992893, 20249985786]

約数ペア:

[(1, 20249985786), (2, 10124992893), (3, 6749995262), (6, 3374997631), (43, 470929902), (79, 256328934), (86, 235464951), (129, 156976634), (158, 128164467), (237, 85442978), (239, 84727974), (258, 78488317), (474, 42721489), (478, 42363987), (717, 28242658), (1434, 14121329), (3397, 5961138), (4157, 4871298), (6794, 2980569), (8314, 2435649), (10191, 1987046), (10277, 1970418), (12471, 1623766), (18881, 1072506), (20382, 993523), (20554, 985209), (24942, 811883), (30831, 656806), (37762, 536253), (56643, 357502), (61662, 328403), (113286, 178751)]