20960900

素因数分解:

$2^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{1171}}^1$

素因数の和:1364

約数の個数: 36

約数和(自身を含む): 45778320

約数和(自身を除く): 24817420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 179, 358, 716, 895, 1171, 1790, 2342, 3580, 4475, 4684, 5855, 8950, 11710, 17900, 23420, 29275, 58550, 117100, 209609, 419218, 838436, 1048045, 2096090, 4192180, 5240225, 10480450, 20960900]

約数ペア:

[(1, 20960900), (2, 10480450), (4, 5240225), (5, 4192180), (10, 2096090), (20, 1048045), (25, 838436), (50, 419218), (100, 209609), (179, 117100), (358, 58550), (716, 29275), (895, 23420), (1171, 17900), (1790, 11710), (2342, 8950), (3580, 5855), (4475, 4684)]