20111935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 32

約数和(自身を含む): 27216000

約数和(自身を除く): 7104065

約数列:

[1, 5, 17, 29, 41, 85, 145, 199, 205, 493, 697, 995, 1189, 2465, 3383, 3485, 5771, 5945, 8159, 16915, 20213, 28855, 40795, 98107, 101065, 138703, 236611, 490535, 693515, 1183055, 4022387, 20111935]

約数ペア:

[(1, 20111935), (5, 4022387), (17, 1183055), (29, 693515), (41, 490535), (85, 236611), (145, 138703), (199, 101065), (205, 98107), (493, 40795), (697, 28855), (995, 20213), (1189, 16915), (2465, 8159), (3383, 5945), (3485, 5771)]