20210005760

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{2255581}}^1$

素因数の和:2255609

約数の個数: 72

約数和(自身を含む): 55324915296

約数和(自身を除く): 35114909536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 2255581, 4511162, 9022324, 11277905, 15789067, 18044648, 22555810, 31578134, 36089296, 45111620, 63156268, 72178592, 78945335, 90223240, 126312536, 144357184, 157890670, 180446480, 252625072, 288714368, 315781340, 360892960, 505250144, 577428736, 631562680, 721785920, 1010500288, 1263125360, 1443571840, 2021000576, 2526250720, 2887143680, 4042001152, 5052501440, 10105002880, 20210005760]

約数ペア:

[(1, 20210005760), (2, 10105002880), (4, 5052501440), (5, 4042001152), (7, 2887143680), (8, 2526250720), (10, 2021000576), (14, 1443571840), (16, 1263125360), (20, 1010500288), (28, 721785920), (32, 631562680), (35, 577428736), (40, 505250144), (56, 360892960), (64, 315781340), (70, 288714368), (80, 252625072), (112, 180446480), (128, 157890670), (140, 144357184), (160, 126312536), (224, 90223240), (256, 78945335), (280, 72178592), (320, 63156268), (448, 45111620), (560, 36089296), (640, 31578134), (896, 22555810), (1120, 18044648), (1280, 15789067), (1792, 11277905), (2240, 9022324), (4480, 4511162), (8960, 2255581)]