20174870475

素因数分解:

$3^4\times 5^2\times {\mathrm{1489}}^1\times {\mathrm{6691}}^1$

素因数の和:8202

約数の個数: 60

約数和(自身を含む): 37401521080

約数和(自身を除く): 17226650605

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 1489, 2025, 4467, 6691, 7445, 13401, 20073, 22335, 33455, 37225, 40203, 60219, 67005, 100365, 111675, 120609, 167275, 180657, 201015, 301095, 335025, 501825, 541971, 603045, 903285, 1005075, 1505475, 2709855, 3015225, 4516425, 9962899, 13549275, 29888697, 49814495, 89666091, 149443485, 249072475, 268998273, 448330455, 747217425, 806994819, 1344991365, 2241652275, 4034974095, 6724956825, 20174870475]

約数ペア:

[(1, 20174870475), (3, 6724956825), (5, 4034974095), (9, 2241652275), (15, 1344991365), (25, 806994819), (27, 747217425), (45, 448330455), (75, 268998273), (81, 249072475), (135, 149443485), (225, 89666091), (405, 49814495), (675, 29888697), (1489, 13549275), (2025, 9962899), (4467, 4516425), (6691, 3015225), (7445, 2709855), (13401, 1505475), (20073, 1005075), (22335, 903285), (33455, 603045), (37225, 541971), (40203, 501825), (60219, 335025), (67005, 301095), (100365, 201015), (111675, 180657), (120609, 167275)]