20279400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 96

約数和(自身を含む): 63864960

約数和(自身を除く): 43585560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 73, 75, 100, 120, 146, 150, 200, 219, 292, 300, 365, 438, 463, 584, 600, 730, 876, 926, 1095, 1389, 1460, 1752, 1825, 1852, 2190, 2315, 2778, 2920, 3650, 3704, 4380, 4630, 5475, 5556, 6945, 7300, 8760, 9260, 10950, 11112, 11575, 13890, 14600, 18520, 21900, 23150, 27780, 33799, 34725, 43800, 46300, 55560, 67598, 69450, 92600, 101397, 135196, 138900, 168995, 202794, 270392, 277800, 337990, 405588, 506985, 675980, 811176, 844975, 1013970, 1351960, 1689950, 2027940, 2534925, 3379900, 4055880, 5069850, 6759800, 10139700, 20279400]

約数ペア:

[(1, 20279400), (2, 10139700), (3, 6759800), (4, 5069850), (5, 4055880), (6, 3379900), (8, 2534925), (10, 2027940), (12, 1689950), (15, 1351960), (20, 1013970), (24, 844975), (25, 811176), (30, 675980), (40, 506985), (50, 405588), (60, 337990), (73, 277800), (75, 270392), (100, 202794), (120, 168995), (146, 138900), (150, 135196), (200, 101397), (219, 92600), (292, 69450), (300, 67598), (365, 55560), (438, 46300), (463, 43800), (584, 34725), (600, 33799), (730, 27780), (876, 23150), (926, 21900), (1095, 18520), (1389, 14600), (1460, 13890), (1752, 11575), (1825, 11112), (1852, 10950), (2190, 9260), (2315, 8760), (2778, 7300), (2920, 6945), (3650, 5556), (3704, 5475), (4380, 4630)]