20807466

素因数分解:

$2^1\times 3^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{409}}^1$

素因数の和:614

約数の個数: 32

約数和(自身を含む): 42705600

約数和(自身を除く): 21898134

約数列:

[1, 2, 3, 6, 61, 122, 139, 183, 278, 366, 409, 417, 818, 834, 1227, 2454, 8479, 16958, 24949, 25437, 49898, 50874, 56851, 74847, 113702, 149694, 170553, 341106, 3467911, 6935822, 10403733, 20807466]

約数ペア:

[(1, 20807466), (2, 10403733), (3, 6935822), (6, 3467911), (61, 341106), (122, 170553), (139, 149694), (183, 113702), (278, 74847), (366, 56851), (409, 50874), (417, 49898), (818, 25437), (834, 24949), (1227, 16958), (2454, 8479)]