20025135361

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1\times {\mathrm{20807}}^1$

素因数の和:21285

約数の個数: 32

約数和(自身を含む): 25888481280

約数和(自身を除く): 5863345919

約数列:

[1, 7, 11, 29, 77, 203, 319, 431, 2233, 3017, 4741, 12499, 20807, 33187, 87493, 137489, 145649, 228877, 603403, 962423, 1602139, 4223821, 6637433, 8967817, 46462031, 62774719, 98645987, 260066693, 690521909, 1820466851, 2860733623, 20025135361]

約数ペア:

[(1, 20025135361), (7, 2860733623), (11, 1820466851), (29, 690521909), (77, 260066693), (203, 98645987), (319, 62774719), (431, 46462031), (2233, 8967817), (3017, 6637433), (4741, 4223821), (12499, 1602139), (20807, 962423), (33187, 603403), (87493, 228877), (137489, 145649)]