20923047

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4003

約数の個数: 24

約数和(自身を含む): 32847360

約数和(自身を除く): 11924313

約数列:

[1, 3, 9, 19, 31, 57, 93, 171, 279, 589, 1767, 3947, 5301, 11841, 35523, 74993, 122357, 224979, 367071, 674937, 1101213, 2324783, 6974349, 20923047]

約数ペア:

[(1, 20923047), (3, 6974349), (9, 2324783), (19, 1101213), (31, 674937), (57, 367071), (93, 224979), (171, 122357), (279, 74993), (589, 35523), (1767, 11841), (3947, 5301)]