20120050

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{21179}}^1$

素因数の和:21210

約数の個数: 24

約数和(自身を含む): 39394800

約数和(自身を除く): 19274750

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21179, 42358, 105895, 211790, 402401, 529475, 804802, 1058950, 2012005, 4024010, 10060025, 20120050]

約数ペア:

[(1, 20120050), (2, 10060025), (5, 4024010), (10, 2012005), (19, 1058950), (25, 804802), (38, 529475), (50, 402401), (95, 211790), (190, 105895), (475, 42358), (950, 21179)]