20164606420

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{419921}}^1$

素因数の和:419958

約数の個数: 60

約数和(自身を含む): 49400463924

約数和(自身を除く): 29235857504

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2401, 3430, 4802, 6860, 9604, 12005, 24010, 48020, 419921, 839842, 1679684, 2099605, 2939447, 4199210, 5878894, 8398420, 11757788, 14697235, 20576129, 29394470, 41152258, 58788940, 82304516, 102880645, 144032903, 205761290, 288065806, 411522580, 576131612, 720164515, 1008230321, 1440329030, 2016460642, 2880658060, 4032921284, 5041151605, 10082303210, 20164606420]

約数ペア:

[(1, 20164606420), (2, 10082303210), (4, 5041151605), (5, 4032921284), (7, 2880658060), (10, 2016460642), (14, 1440329030), (20, 1008230321), (28, 720164515), (35, 576131612), (49, 411522580), (70, 288065806), (98, 205761290), (140, 144032903), (196, 102880645), (245, 82304516), (343, 58788940), (490, 41152258), (686, 29394470), (980, 20576129), (1372, 14697235), (1715, 11757788), (2401, 8398420), (3430, 5878894), (4802, 4199210), (6860, 2939447), (9604, 2099605), (12005, 1679684), (24010, 839842), (48020, 419921)]