20792336864

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1612309}}^1$

素因数の和:1612363

約数の個数: 48

約数和(自身を含む): 45505837440

約数和(自身を除く): 24713500576

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 1612309, 3224618, 6449236, 12898472, 20960017, 25796944, 41920034, 49981579, 51593888, 83840068, 99963158, 167680136, 199926316, 335360272, 399852632, 649760527, 670720544, 799705264, 1299521054, 1599410528, 2599042108, 5198084216, 10396168432, 20792336864]

約数ペア:

[(1, 20792336864), (2, 10396168432), (4, 5198084216), (8, 2599042108), (13, 1599410528), (16, 1299521054), (26, 799705264), (31, 670720544), (32, 649760527), (52, 399852632), (62, 335360272), (104, 199926316), (124, 167680136), (208, 99963158), (248, 83840068), (403, 51593888), (416, 49981579), (496, 41920034), (806, 25796944), (992, 20960017), (1612, 12898472), (3224, 6449236), (6448, 3224618), (12896, 1612309)]