20468360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4229}}^1$

素因数の和:4262

約数の個数: 48

約数和(自身を含む): 50633100

約数和(自身を除く): 30164740

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4229, 4840, 8458, 16916, 21145, 33832, 42290, 46519, 84580, 93038, 169160, 186076, 232595, 372152, 465190, 511709, 930380, 1023418, 1860760, 2046836, 2558545, 4093672, 5117090, 10234180, 20468360]

約数ペア:

[(1, 20468360), (2, 10234180), (4, 5117090), (5, 4093672), (8, 2558545), (10, 2046836), (11, 1860760), (20, 1023418), (22, 930380), (40, 511709), (44, 465190), (55, 372152), (88, 232595), (110, 186076), (121, 169160), (220, 93038), (242, 84580), (440, 46519), (484, 42290), (605, 33832), (968, 21145), (1210, 16916), (2420, 8458), (4229, 4840)]