20060775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 42092544

約数和(自身を除く): 22031769

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 271, 315, 329, 423, 525, 705, 813, 987, 1175, 1355, 1575, 1645, 1897, 2115, 2439, 2961, 3525, 4065, 4935, 5691, 6775, 8225, 9485, 10575, 12195, 12737, 14805, 17073, 20325, 24675, 28455, 38211, 47425, 60975, 63685, 74025, 85365, 89159, 114633, 142275, 191055, 267477, 318425, 426825, 445795, 573165, 802431, 955275, 1337385, 2228975, 2865825, 4012155, 6686925, 20060775]

約数ペア:

[(1, 20060775), (3, 6686925), (5, 4012155), (7, 2865825), (9, 2228975), (15, 1337385), (21, 955275), (25, 802431), (35, 573165), (45, 445795), (47, 426825), (63, 318425), (75, 267477), (105, 191055), (141, 142275), (175, 114633), (225, 89159), (235, 85365), (271, 74025), (315, 63685), (329, 60975), (423, 47425), (525, 38211), (705, 28455), (813, 24675), (987, 20325), (1175, 17073), (1355, 14805), (1575, 12737), (1645, 12195), (1897, 10575), (2115, 9485), (2439, 8225), (2961, 6775), (3525, 5691), (4065, 4935)]