2020071375

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{256517}}^1$

素因数の和:256545

約数の個数: 48

約数和(自身を含む): 4161748032

約数和(自身を除く): 2141676657

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 7875, 256517, 769551, 1282585, 1795619, 2308653, 3847755, 5386857, 6412925, 8978095, 11543265, 16160571, 19238775, 26934285, 32064625, 44890475, 57716325, 80802855, 96193875, 134671425, 224452375, 288581625, 404014275, 673357125, 2020071375]

約数ペア:

[(1, 2020071375), (3, 673357125), (5, 404014275), (7, 288581625), (9, 224452375), (15, 134671425), (21, 96193875), (25, 80802855), (35, 57716325), (45, 44890475), (63, 32064625), (75, 26934285), (105, 19238775), (125, 16160571), (175, 11543265), (225, 8978095), (315, 6412925), (375, 5386857), (525, 3847755), (875, 2308653), (1125, 1795619), (1575, 1282585), (2625, 769551), (7875, 256517)]