2020120286828

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1\times {\mathrm{4243}}^1$

素因数の和:5583

約数の個数: 96

約数和(自身を含む): 4152625118208

約数和(自身を除く): 2132504831380

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 641, 647, 1148, 1282, 1294, 2564, 2588, 4243, 4487, 4529, 8486, 8974, 9058, 16972, 17948, 18116, 26281, 26527, 29701, 52562, 53054, 59402, 105124, 106108, 118804, 173963, 183967, 185689, 347926, 367934, 371378, 414727, 695852, 735868, 742756, 829454, 1217741, 1658908, 2435482, 2719763, 2745221, 2903089, 4870964, 5439526, 5490442, 5806178, 10879052, 10980884, 11612356, 17003807, 19038341, 19216547, 34007614, 38076682, 38433094, 68015228, 76153364, 76866188, 111510283, 112554061, 119026649, 223020566, 225108122, 238053298, 446041132, 450216244, 476106596, 780571981, 787878427, 1561143962, 1575756854, 1759686661, 3122287924, 3151513708, 3519373322, 7038746644, 12317806627, 24635613254, 49271226508, 72147153101, 144294306202, 288588612404, 505030071707, 1010060143414, 2020120286828]

約数ペア:

[(1, 2020120286828), (2, 1010060143414), (4, 505030071707), (7, 288588612404), (14, 144294306202), (28, 72147153101), (41, 49271226508), (82, 24635613254), (164, 12317806627), (287, 7038746644), (574, 3519373322), (641, 3151513708), (647, 3122287924), (1148, 1759686661), (1282, 1575756854), (1294, 1561143962), (2564, 787878427), (2588, 780571981), (4243, 476106596), (4487, 450216244), (4529, 446041132), (8486, 238053298), (8974, 225108122), (9058, 223020566), (16972, 119026649), (17948, 112554061), (18116, 111510283), (26281, 76866188), (26527, 76153364), (29701, 68015228), (52562, 38433094), (53054, 38076682), (59402, 34007614), (105124, 19216547), (106108, 19038341), (118804, 17003807), (173963, 11612356), (183967, 10980884), (185689, 10879052), (347926, 5806178), (367934, 5490442), (371378, 5439526), (414727, 4870964), (695852, 2903089), (735868, 2745221), (742756, 2719763), (829454, 2435482), (1217741, 1658908)]