20474280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{56873}}^1$

素因数の和:56890

約数の個数: 48

約数和(自身を含む): 66542580

約数和(自身を除く): 46068300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 56873, 113746, 170619, 227492, 284365, 341238, 454984, 511857, 568730, 682476, 853095, 1023714, 1137460, 1364952, 1706190, 2047428, 2274920, 2559285, 3412380, 4094856, 5118570, 6824760, 10237140, 20474280]

約数ペア:

[(1, 20474280), (2, 10237140), (3, 6824760), (4, 5118570), (5, 4094856), (6, 3412380), (8, 2559285), (9, 2274920), (10, 2047428), (12, 1706190), (15, 1364952), (18, 1137460), (20, 1023714), (24, 853095), (30, 682476), (36, 568730), (40, 511857), (45, 454984), (60, 341238), (72, 284365), (90, 227492), (120, 170619), (180, 113746), (360, 56873)]