20416770

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{503}}^1$

素因数の和:568

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 39022974

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 41, 45, 55, 66, 82, 90, 99, 110, 123, 165, 198, 205, 246, 330, 369, 410, 451, 495, 503, 615, 738, 902, 990, 1006, 1230, 1353, 1509, 1845, 2255, 2515, 2706, 3018, 3690, 4059, 4510, 4527, 5030, 5533, 6765, 7545, 8118, 9054, 11066, 13530, 15090, 16599, 20295, 20623, 22635, 27665, 33198, 40590, 41246, 45270, 49797, 55330, 61869, 82995, 99594, 103115, 123738, 165990, 185607, 206230, 226853, 248985, 309345, 371214, 453706, 497970, 618690, 680559, 928035, 1134265, 1361118, 1856070, 2041677, 2268530, 3402795, 4083354, 6805590, 10208385, 20416770]

約数ペア:

[(1, 20416770), (2, 10208385), (3, 6805590), (5, 4083354), (6, 3402795), (9, 2268530), (10, 2041677), (11, 1856070), (15, 1361118), (18, 1134265), (22, 928035), (30, 680559), (33, 618690), (41, 497970), (45, 453706), (55, 371214), (66, 309345), (82, 248985), (90, 226853), (99, 206230), (110, 185607), (123, 165990), (165, 123738), (198, 103115), (205, 99594), (246, 82995), (330, 61869), (369, 55330), (410, 49797), (451, 45270), (495, 41246), (503, 40590), (615, 33198), (738, 27665), (902, 22635), (990, 20623), (1006, 20295), (1230, 16599), (1353, 15090), (1509, 13530), (1845, 11066), (2255, 9054), (2515, 8118), (2706, 7545), (3018, 6765), (3690, 5533), (4059, 5030), (4510, 4527)]