23387420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1877}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 56790720

約数和(自身を除く): 33403300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 1877, 2492, 3115, 3754, 6230, 7508, 9385, 12460, 13139, 18770, 26278, 37540, 52556, 65695, 131390, 167053, 262780, 334106, 668212, 835265, 1169371, 1670530, 2338742, 3341060, 4677484, 5846855, 11693710, 23387420]

約数ペア:

[(1, 23387420), (2, 11693710), (4, 5846855), (5, 4677484), (7, 3341060), (10, 2338742), (14, 1670530), (20, 1169371), (28, 835265), (35, 668212), (70, 334106), (89, 262780), (140, 167053), (178, 131390), (356, 65695), (445, 52556), (623, 37540), (890, 26278), (1246, 18770), (1780, 13139), (1877, 12460), (2492, 9385), (3115, 7508), (3754, 6230)]