20183240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6553}}^1$

素因数の和:6582

約数の個数: 64

約数和(自身を含む): 56626560

約数和(自身を除く): 36443320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6553, 13106, 26212, 32765, 45871, 52424, 65530, 72083, 91742, 131060, 144166, 183484, 229355, 262120, 288332, 360415, 366968, 458710, 504581, 576664, 720830, 917420, 1009162, 1441660, 1834840, 2018324, 2522905, 2883320, 4036648, 5045810, 10091620, 20183240]

約数ペア:

[(1, 20183240), (2, 10091620), (4, 5045810), (5, 4036648), (7, 2883320), (8, 2522905), (10, 2018324), (11, 1834840), (14, 1441660), (20, 1009162), (22, 917420), (28, 720830), (35, 576664), (40, 504581), (44, 458710), (55, 366968), (56, 360415), (70, 288332), (77, 262120), (88, 229355), (110, 183484), (140, 144166), (154, 131060), (220, 91742), (280, 72083), (308, 65530), (385, 52424), (440, 45871), (616, 32765), (770, 26212), (1540, 13106), (3080, 6553)]