20377260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1433}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 62637120

約数和(自身を除く): 42259860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 79, 90, 158, 180, 237, 316, 395, 474, 711, 790, 948, 1185, 1422, 1433, 1580, 2370, 2844, 2866, 3555, 4299, 4740, 5732, 7110, 7165, 8598, 12897, 14220, 14330, 17196, 21495, 25794, 28660, 42990, 51588, 64485, 85980, 113207, 128970, 226414, 257940, 339621, 452828, 566035, 679242, 1018863, 1132070, 1358484, 1698105, 2037726, 2264140, 3396210, 4075452, 5094315, 6792420, 10188630, 20377260]

約数ペア:

[(1, 20377260), (2, 10188630), (3, 6792420), (4, 5094315), (5, 4075452), (6, 3396210), (9, 2264140), (10, 2037726), (12, 1698105), (15, 1358484), (18, 1132070), (20, 1018863), (30, 679242), (36, 566035), (45, 452828), (60, 339621), (79, 257940), (90, 226414), (158, 128970), (180, 113207), (237, 85980), (316, 64485), (395, 51588), (474, 42990), (711, 28660), (790, 25794), (948, 21495), (1185, 17196), (1422, 14330), (1433, 14220), (1580, 12897), (2370, 8598), (2844, 7165), (2866, 7110), (3555, 5732), (4299, 4740)]