20396264

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^2\times {\mathrm{379}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 45280800

約数和(自身を除く): 24884536

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 379, 434, 758, 868, 961, 1516, 1736, 1922, 2653, 3032, 3844, 5306, 6727, 7688, 10612, 11749, 13454, 21224, 23498, 26908, 46996, 53816, 82243, 93992, 164486, 328972, 364219, 657944, 728438, 1456876, 2549533, 2913752, 5099066, 10198132, 20396264]

約数ペア:

[(1, 20396264), (2, 10198132), (4, 5099066), (7, 2913752), (8, 2549533), (14, 1456876), (28, 728438), (31, 657944), (56, 364219), (62, 328972), (124, 164486), (217, 93992), (248, 82243), (379, 53816), (434, 46996), (758, 26908), (868, 23498), (961, 21224), (1516, 13454), (1736, 11749), (1922, 10612), (2653, 7688), (3032, 6727), (3844, 5306)]