20121974908

素因数分解:

$2^2\times 7^1\times {\mathrm{5387}}^1\times {\mathrm{133403}}^1$

素因数の和:138801

約数の個数: 24

約数和(自身を含む): 40251722112

約数和(自身を除く): 20129747204

約数列:

[1, 2, 4, 7, 14, 28, 5387, 10774, 21548, 37709, 75418, 133403, 150836, 266806, 533612, 933821, 1867642, 3735284, 718641961, 1437283922, 2874567844, 5030493727, 10060987454, 20121974908]

約数ペア:

[(1, 20121974908), (2, 10060987454), (4, 5030493727), (7, 2874567844), (14, 1437283922), (28, 718641961), (5387, 3735284), (10774, 1867642), (21548, 933821), (37709, 533612), (75418, 266806), (133403, 150836)]