15666439420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{2003381}}^1$

素因数の和:2003430

約数の個数: 48

約数和(自身を含む): 36349363008

約数和(自身を除く): 20682923588

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 2003381, 4006762, 8013524, 10016905, 20033810, 34057477, 40067620, 46077763, 68114954, 92155526, 136229908, 170287385, 184311052, 230388815, 340574770, 460777630, 681149540, 783321971, 921555260, 1566643942, 3133287884, 3916609855, 7833219710, 15666439420]

約数ペア:

[(1, 15666439420), (2, 7833219710), (4, 3916609855), (5, 3133287884), (10, 1566643942), (17, 921555260), (20, 783321971), (23, 681149540), (34, 460777630), (46, 340574770), (68, 230388815), (85, 184311052), (92, 170287385), (115, 136229908), (170, 92155526), (230, 68114954), (340, 46077763), (391, 40067620), (460, 34057477), (782, 20033810), (1564, 10016905), (1955, 8013524), (3910, 4006762), (7820, 2003381)]