20510362312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1\times {\mathrm{991}}^1$

素因数の和:1978

約数の個数: 64

約数和(自身を含む): 42168729600

約数和(自身を除く): 21658367288

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 479, 491, 958, 982, 991, 1916, 1964, 1982, 3832, 3928, 3964, 5269, 5401, 7928, 10538, 10802, 10901, 21076, 21604, 21802, 42152, 43208, 43604, 87208, 235189, 470378, 474689, 486581, 940756, 949378, 973162, 1881512, 1898756, 1946324, 2587079, 3797512, 3892648, 5174158, 5221579, 5352391, 10348316, 10443158, 10704782, 20696632, 20886316, 21409564, 41772632, 42819128, 233072299, 466144598, 932289196, 1864578392, 2563795289, 5127590578, 10255181156, 20510362312]

約数ペア:

[(1, 20510362312), (2, 10255181156), (4, 5127590578), (8, 2563795289), (11, 1864578392), (22, 932289196), (44, 466144598), (88, 233072299), (479, 42819128), (491, 41772632), (958, 21409564), (982, 20886316), (991, 20696632), (1916, 10704782), (1964, 10443158), (1982, 10348316), (3832, 5352391), (3928, 5221579), (3964, 5174158), (5269, 3892648), (5401, 3797512), (7928, 2587079), (10538, 1946324), (10802, 1898756), (10901, 1881512), (21076, 973162), (21604, 949378), (21802, 940756), (42152, 486581), (43208, 474689), (43604, 470378), (87208, 235189)]