20215690010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3389}}^1\times {\mathrm{14549}}^1$

素因数の和:17986

約数の個数: 32

約数和(自身を含む): 37289322000

約数和(自身を除く): 17073631990

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 3389, 6778, 14549, 16945, 29098, 33890, 72745, 138949, 145490, 277898, 596509, 694745, 1193018, 1389490, 2982545, 5965090, 49306561, 98613122, 246532805, 493065610, 2021569001, 4043138002, 10107845005, 20215690010]

約数ペア:

[(1, 20215690010), (2, 10107845005), (5, 4043138002), (10, 2021569001), (41, 493065610), (82, 246532805), (205, 98613122), (410, 49306561), (3389, 5965090), (6778, 2982545), (14549, 1389490), (16945, 1193018), (29098, 694745), (33890, 596509), (72745, 277898), (138949, 145490)]