20120646928

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54675671}}^1$

素因数の和:54675702

約数の個数: 20

約数和(自身を含む): 40678699968

約数和(自身を除く): 20558053040

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54675671, 109351342, 218702684, 437405368, 874810736, 1257540433, 2515080866, 5030161732, 10060323464, 20120646928]

約数ペア:

[(1, 20120646928), (2, 10060323464), (4, 5030161732), (8, 2515080866), (16, 1257540433), (23, 874810736), (46, 437405368), (92, 218702684), (184, 109351342), (368, 54675671)]