20210760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1811}}^1$

素因数の和:1859

約数の個数: 96

約数和(自身を含む): 67841280

約数和(自身を除く): 47630520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1811, 1860, 2232, 2790, 3622, 3720, 5433, 5580, 7244, 9055, 10866, 11160, 14488, 16299, 18110, 21732, 27165, 32598, 36220, 43464, 54330, 56141, 65196, 72440, 81495, 108660, 112282, 130392, 162990, 168423, 217320, 224564, 280705, 325980, 336846, 449128, 505269, 561410, 651960, 673692, 842115, 1010538, 1122820, 1347384, 1684230, 2021076, 2245640, 2526345, 3368460, 4042152, 5052690, 6736920, 10105380, 20210760]

約数ペア:

[(1, 20210760), (2, 10105380), (3, 6736920), (4, 5052690), (5, 4042152), (6, 3368460), (8, 2526345), (9, 2245640), (10, 2021076), (12, 1684230), (15, 1347384), (18, 1122820), (20, 1010538), (24, 842115), (30, 673692), (31, 651960), (36, 561410), (40, 505269), (45, 449128), (60, 336846), (62, 325980), (72, 280705), (90, 224564), (93, 217320), (120, 168423), (124, 162990), (155, 130392), (180, 112282), (186, 108660), (248, 81495), (279, 72440), (310, 65196), (360, 56141), (372, 54330), (465, 43464), (558, 36220), (620, 32598), (744, 27165), (930, 21732), (1116, 18110), (1240, 16299), (1395, 14488), (1811, 11160), (1860, 10866), (2232, 9055), (2790, 7244), (3622, 5580), (3720, 5433)]