20885886

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7207}}^1$

素因数の和:7245

約数の個数: 48

約数和(自身を含む): 53973504

約数和(自身を除く): 33087618

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 966, 1449, 2898, 7207, 14414, 21621, 43242, 50449, 64863, 100898, 129726, 151347, 165761, 302694, 331522, 454041, 497283, 908082, 994566, 1160327, 1491849, 2320654, 2983698, 3480981, 6961962, 10442943, 20885886]

約数ペア:

[(1, 20885886), (2, 10442943), (3, 6961962), (6, 3480981), (7, 2983698), (9, 2320654), (14, 1491849), (18, 1160327), (21, 994566), (23, 908082), (42, 497283), (46, 454041), (63, 331522), (69, 302694), (126, 165761), (138, 151347), (161, 129726), (207, 100898), (322, 64863), (414, 50449), (483, 43242), (966, 21621), (1449, 14414), (2898, 7207)]