20188368

素因数分解:

$2^4\times 3^2\times {\mathrm{140197}}^1$

素因数の和:140211

約数の個数: 30

約数和(自身を含む): 56499794

約数和(自身を除く): 36311426

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140197, 280394, 420591, 560788, 841182, 1121576, 1261773, 1682364, 2243152, 2523546, 3364728, 5047092, 6729456, 10094184, 20188368]

約数ペア:

[(1, 20188368), (2, 10094184), (3, 6729456), (4, 5047092), (6, 3364728), (8, 2523546), (9, 2243152), (12, 1682364), (16, 1261773), (18, 1121576), (24, 841182), (36, 560788), (48, 420591), (72, 280394), (144, 140197)]