20121609830

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{287451569}}^1$

素因数の和:287451583

約数の個数: 16

約数和(自身を含む): 41393026080

約数和(自身を除く): 21271416250

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 287451569, 574903138, 1437257845, 2012160983, 2874515690, 4024321966, 10060804915, 20121609830]

約数ペア:

[(1, 20121609830), (2, 10060804915), (5, 4024321966), (7, 2874515690), (10, 2012160983), (14, 1437257845), (35, 574903138), (70, 287451569)]