20919656

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{797}}^1$

素因数の和:1013

約数の個数: 32

約数和(自身を含む): 41799240

約数和(自身を除く): 20879584

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 193, 386, 772, 797, 1544, 1594, 3188, 3281, 6376, 6562, 13124, 13549, 26248, 27098, 54196, 108392, 153821, 307642, 615284, 1230568, 2614957, 5229914, 10459828, 20919656]

約数ペア:

[(1, 20919656), (2, 10459828), (4, 5229914), (8, 2614957), (17, 1230568), (34, 615284), (68, 307642), (136, 153821), (193, 108392), (386, 54196), (772, 27098), (797, 26248), (1544, 13549), (1594, 13124), (3188, 6562), (3281, 6376)]