20564511385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{1801}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 28713904128

約数和(自身を除く): 8149392743

約数列:

[1, 5, 11, 31, 37, 55, 155, 181, 185, 341, 407, 905, 1147, 1705, 1801, 1991, 2035, 5611, 5735, 6697, 9005, 9955, 12617, 19811, 28055, 33485, 55831, 61721, 63085, 66637, 73667, 99055, 207607, 279155, 308605, 325981, 333185, 368335, 614141, 733007, 1038035, 1629905, 2065747, 2283677, 3070705, 3585791, 3665035, 10105411, 10328735, 11418385, 12061297, 17928955, 22723217, 50527055, 60306485, 111159521, 113616085, 132674267, 373900207, 555797605, 663371335, 1869501035, 4112902277, 20564511385]

約数ペア:

[(1, 20564511385), (5, 4112902277), (11, 1869501035), (31, 663371335), (37, 555797605), (55, 373900207), (155, 132674267), (181, 113616085), (185, 111159521), (341, 60306485), (407, 50527055), (905, 22723217), (1147, 17928955), (1705, 12061297), (1801, 11418385), (1991, 10328735), (2035, 10105411), (5611, 3665035), (5735, 3585791), (6697, 3070705), (9005, 2283677), (9955, 2065747), (12617, 1629905), (19811, 1038035), (28055, 733007), (33485, 614141), (55831, 368335), (61721, 333185), (63085, 325981), (66637, 308605), (73667, 279155), (99055, 207607)]