2019880840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2970413}}^1$

素因数の和:2970441

約数の個数: 32

約数和(自身を含む): 4812070680

約数和(自身を除く): 2792189840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2970413, 5940826, 11881652, 14852065, 23763304, 29704130, 50497021, 59408260, 100994042, 118816520, 201988084, 252485105, 403976168, 504970210, 1009940420, 2019880840]

約数ペア:

[(1, 2019880840), (2, 1009940420), (4, 504970210), (5, 403976168), (8, 252485105), (10, 201988084), (17, 118816520), (20, 100994042), (34, 59408260), (40, 50497021), (68, 29704130), (85, 23763304), (136, 14852065), (170, 11881652), (340, 5940826), (680, 2970413)]