20640102

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{977}}^1$

素因数の和:1492

約数の個数: 32

約数和(自身を含む): 47319552

約数和(自身を除く): 26679450

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 503, 977, 1006, 1509, 1954, 2931, 3018, 3521, 5862, 6839, 7042, 10563, 13678, 20517, 21126, 41034, 491431, 982862, 1474293, 2948586, 3440017, 6880034, 10320051, 20640102]

約数ペア:

[(1, 20640102), (2, 10320051), (3, 6880034), (6, 3440017), (7, 2948586), (14, 1474293), (21, 982862), (42, 491431), (503, 41034), (977, 21126), (1006, 20517), (1509, 13678), (1954, 10563), (2931, 7042), (3018, 6839), (3521, 5862)]