20420274

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{21139}}^1$

素因数の和:21174

約数の個数: 32

約数和(自身を含む): 48706560

約数和(自身を除く): 28286286

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 138, 161, 322, 483, 966, 21139, 42278, 63417, 126834, 147973, 295946, 443919, 486197, 887838, 972394, 1458591, 2917182, 3403379, 6806758, 10210137, 20420274]

約数ペア:

[(1, 20420274), (2, 10210137), (3, 6806758), (6, 3403379), (7, 2917182), (14, 1458591), (21, 972394), (23, 887838), (42, 486197), (46, 443919), (69, 295946), (138, 147973), (161, 126834), (322, 63417), (483, 42278), (966, 21139)]