20434856687

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1\times {\mathrm{2437}}^1$

素因数の和:3471

約数の個数: 32

約数和(自身を含む): 24986964480

約数和(自身を除く): 4552107793

約数列:

[1, 7, 19, 67, 133, 469, 941, 1273, 2437, 6587, 8911, 17059, 17879, 46303, 63047, 125153, 163279, 324121, 441329, 1142953, 1197893, 2293217, 3102301, 8385251, 16052519, 21716107, 43571123, 153645539, 304997861, 1075518773, 2919265241, 20434856687]

約数ペア:

[(1, 20434856687), (7, 2919265241), (19, 1075518773), (67, 304997861), (133, 153645539), (469, 43571123), (941, 21716107), (1273, 16052519), (2437, 8385251), (6587, 3102301), (8911, 2293217), (17059, 1197893), (17879, 1142953), (46303, 441329), (63047, 324121), (125153, 163279)]