20174781381

素因数分解:

$3^1\times {\mathrm{19}}^3\times {\mathrm{61}}^1\times {\mathrm{16073}}^1$

素因数の和:16194

約数の個数: 32

約数和(自身を含む): 28861188480

約数和(自身を除く): 8686407099

約数列:

[1, 3, 19, 57, 61, 183, 361, 1083, 1159, 3477, 6859, 16073, 20577, 22021, 48219, 66063, 305387, 418399, 916161, 980453, 1255197, 2941359, 5802353, 17407059, 18628607, 55885821, 110244707, 330734121, 353943533, 1061830599, 6724927127, 20174781381]

約数ペア:

[(1, 20174781381), (3, 6724927127), (19, 1061830599), (57, 353943533), (61, 330734121), (183, 110244707), (361, 55885821), (1083, 18628607), (1159, 17407059), (3477, 5802353), (6859, 2941359), (16073, 1255197), (20577, 980453), (22021, 916161), (48219, 418399), (66063, 305387)]