20320260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1259}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 36833340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1259, 1345, 1614, 2518, 2690, 3228, 3777, 4035, 5036, 5380, 6295, 7554, 8070, 12590, 15108, 16140, 18885, 25180, 37770, 75540, 338671, 677342, 1016013, 1354684, 1693355, 2032026, 3386710, 4064052, 5080065, 6773420, 10160130, 20320260]

約数ペア:

[(1, 20320260), (2, 10160130), (3, 6773420), (4, 5080065), (5, 4064052), (6, 3386710), (10, 2032026), (12, 1693355), (15, 1354684), (20, 1016013), (30, 677342), (60, 338671), (269, 75540), (538, 37770), (807, 25180), (1076, 18885), (1259, 16140), (1345, 15108), (1614, 12590), (2518, 8070), (2690, 7554), (3228, 6295), (3777, 5380), (4035, 5036)]