20699760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{86249}}^1$

素因数の和:86265

約数の個数: 40

約数和(自身を含む): 64170000

約数和(自身を除く): 43470240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 86249, 172498, 258747, 344996, 431245, 517494, 689992, 862490, 1034988, 1293735, 1379984, 1724980, 2069976, 2587470, 3449960, 4139952, 5174940, 6899920, 10349880, 20699760]

約数ペア:

[(1, 20699760), (2, 10349880), (3, 6899920), (4, 5174940), (5, 4139952), (6, 3449960), (8, 2587470), (10, 2069976), (12, 1724980), (15, 1379984), (16, 1293735), (20, 1034988), (24, 862490), (30, 689992), (40, 517494), (48, 431245), (60, 344996), (80, 258747), (120, 172498), (240, 86249)]