20051045613

素因数分解:

$3^5\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{64921}}^1$

素因数の和:65008

約数の個数: 48

約数和(自身を含む): 31760881152

約数和(自身を除く): 11709835539

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 243, 279, 369, 837, 1107, 1271, 2511, 3321, 3813, 7533, 9963, 11439, 34317, 64921, 102951, 194763, 308853, 584289, 1752867, 2012551, 2661761, 5258601, 6037653, 7985283, 15775803, 18112959, 23955849, 54338877, 71867547, 82514591, 163016631, 215602641, 247543773, 489049893, 646807923, 742631319, 2227893957, 6683681871, 20051045613]

約数ペア:

[(1, 20051045613), (3, 6683681871), (9, 2227893957), (27, 742631319), (31, 646807923), (41, 489049893), (81, 247543773), (93, 215602641), (123, 163016631), (243, 82514591), (279, 71867547), (369, 54338877), (837, 23955849), (1107, 18112959), (1271, 15775803), (2511, 7985283), (3321, 6037653), (3813, 5258601), (7533, 2661761), (9963, 2012551), (11439, 1752867), (34317, 584289), (64921, 308853), (102951, 194763)]