20030172

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 48454560

約数和(自身を除く): 28424388

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 197, 222, 229, 394, 444, 458, 591, 687, 788, 916, 1182, 1374, 2364, 2748, 7289, 8473, 14578, 16946, 21867, 25419, 29156, 33892, 43734, 45113, 50838, 87468, 90226, 101676, 135339, 180452, 270678, 541356, 1669181, 3338362, 5007543, 6676724, 10015086, 20030172]

約数ペア:

[(1, 20030172), (2, 10015086), (3, 6676724), (4, 5007543), (6, 3338362), (12, 1669181), (37, 541356), (74, 270678), (111, 180452), (148, 135339), (197, 101676), (222, 90226), (229, 87468), (394, 50838), (444, 45113), (458, 43734), (591, 33892), (687, 29156), (788, 25419), (916, 21867), (1182, 16946), (1374, 14578), (2364, 8473), (2748, 7289)]