20340270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1171}}^1$

素因数の和:1377

約数の個数: 48

約数和(自身を含む): 53204112

約数和(自身を除く): 32863842

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 193, 386, 579, 965, 1158, 1171, 1737, 1930, 2342, 2895, 3474, 3513, 5790, 5855, 7026, 8685, 10539, 11710, 17370, 17565, 21078, 35130, 52695, 105390, 226003, 452006, 678009, 1130015, 1356018, 2034027, 2260030, 3390045, 4068054, 6780090, 10170135, 20340270]

約数ペア:

[(1, 20340270), (2, 10170135), (3, 6780090), (5, 4068054), (6, 3390045), (9, 2260030), (10, 2034027), (15, 1356018), (18, 1130015), (30, 678009), (45, 452006), (90, 226003), (193, 105390), (386, 52695), (579, 35130), (965, 21078), (1158, 17565), (1171, 17370), (1737, 11710), (1930, 10539), (2342, 8685), (2895, 7026), (3474, 5855), (3513, 5790)]