20838944

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3001}}^1$

素因数の和:3049

約数の個数: 48

約数和(自身を含む): 48416256

約数和(自身を除く): 27577312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 992, 1736, 3001, 3472, 6002, 6944, 12004, 21007, 24008, 42014, 48016, 84028, 93031, 96032, 168056, 186062, 336112, 372124, 651217, 672224, 744248, 1302434, 1488496, 2604868, 2976992, 5209736, 10419472, 20838944]

約数ペア:

[(1, 20838944), (2, 10419472), (4, 5209736), (7, 2976992), (8, 2604868), (14, 1488496), (16, 1302434), (28, 744248), (31, 672224), (32, 651217), (56, 372124), (62, 336112), (112, 186062), (124, 168056), (217, 96032), (224, 93031), (248, 84028), (434, 48016), (496, 42014), (868, 24008), (992, 21007), (1736, 12004), (3001, 6944), (3472, 6002)]