20121815992

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19804937}}^1$

素因数の和:19805070

約数の個数: 16

約数和(自身を含む): 38025480960

約数和(自身を除く): 17903664968

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19804937, 39609874, 79219748, 158439496, 2515226999, 5030453998, 10060907996, 20121815992]

約数ペア:

[(1, 20121815992), (2, 10060907996), (4, 5030453998), (8, 2515226999), (127, 158439496), (254, 79219748), (508, 39609874), (1016, 19804937)]