20461005

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2659}}^1$

素因数の和:2695

約数の個数: 40

約数和(自身を含む): 38623200

約数和(自身を除く): 18162195

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 2659, 7695, 7977, 13295, 23931, 39885, 50521, 71793, 119655, 151563, 215379, 252605, 358965, 454689, 757815, 1076895, 1364067, 2273445, 4092201, 6820335, 20461005]

約数ペア:

[(1, 20461005), (3, 6820335), (5, 4092201), (9, 2273445), (15, 1364067), (19, 1076895), (27, 757815), (45, 454689), (57, 358965), (81, 252605), (95, 215379), (135, 151563), (171, 119655), (285, 71793), (405, 50521), (513, 39885), (855, 23931), (1539, 13295), (2565, 7977), (2659, 7695)]