20081805620

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{95801}}^1$

素因数の和:96080

約数の個数: 48

約数和(自身を含む): 43262650368

約数和(自身を除く): 23180844748

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 223, 235, 446, 470, 892, 940, 1115, 2230, 4460, 10481, 20962, 41924, 52405, 95801, 104810, 191602, 209620, 383204, 479005, 958010, 1916020, 4502647, 9005294, 18010588, 21363623, 22513235, 42727246, 45026470, 85454492, 90052940, 106818115, 213636230, 427272460, 1004090281, 2008180562, 4016361124, 5020451405, 10040902810, 20081805620]

約数ペア:

[(1, 20081805620), (2, 10040902810), (4, 5020451405), (5, 4016361124), (10, 2008180562), (20, 1004090281), (47, 427272460), (94, 213636230), (188, 106818115), (223, 90052940), (235, 85454492), (446, 45026470), (470, 42727246), (892, 22513235), (940, 21363623), (1115, 18010588), (2230, 9005294), (4460, 4502647), (10481, 1916020), (20962, 958010), (41924, 479005), (52405, 383204), (95801, 209620), (104810, 191602)]