20225296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 29771504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 29, 52, 56, 58, 91, 104, 112, 116, 182, 203, 208, 232, 364, 377, 406, 464, 479, 728, 754, 812, 958, 1456, 1508, 1624, 1916, 2639, 3016, 3248, 3353, 3832, 5278, 6032, 6227, 6706, 7664, 10556, 12454, 13412, 13891, 21112, 24908, 26824, 27782, 42224, 43589, 49816, 53648, 55564, 87178, 97237, 99632, 111128, 174356, 180583, 194474, 222256, 348712, 361166, 388948, 697424, 722332, 777896, 1264081, 1444664, 1555792, 2528162, 2889328, 5056324, 10112648, 20225296]

約数ペア:

[(1, 20225296), (2, 10112648), (4, 5056324), (7, 2889328), (8, 2528162), (13, 1555792), (14, 1444664), (16, 1264081), (26, 777896), (28, 722332), (29, 697424), (52, 388948), (56, 361166), (58, 348712), (91, 222256), (104, 194474), (112, 180583), (116, 174356), (182, 111128), (203, 99632), (208, 97237), (232, 87178), (364, 55564), (377, 53648), (406, 49816), (464, 43589), (479, 42224), (728, 27782), (754, 26824), (812, 24908), (958, 21112), (1456, 13891), (1508, 13412), (1624, 12454), (1916, 10556), (2639, 7664), (3016, 6706), (3248, 6227), (3353, 6032), (3832, 5278)]