20139006909

素因数分解:

$3^1\times 7^2\times {\mathrm{439}}^1\times {\mathrm{312073}}^1$

素因数の和:312529

約数の個数: 24

約数和(自身を含む): 31307263680

約数和(自身を除く): 11168256771

約数列:

[1, 3, 7, 21, 49, 147, 439, 1317, 3073, 9219, 21511, 64533, 312073, 936219, 2184511, 6553533, 15291577, 45874731, 137000047, 411000141, 959000329, 2877000987, 6713002303, 20139006909]

約数ペア:

[(1, 20139006909), (3, 6713002303), (7, 2877000987), (21, 959000329), (49, 411000141), (147, 137000047), (439, 45874731), (1317, 15291577), (3073, 6553533), (9219, 2184511), (21511, 936219), (64533, 312073)]