20962928

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9851}}^1$

素因数の和:9885

約数の個数: 40

約数和(自身を含む): 48865920

約数和(自身を除く): 27902992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9851, 19702, 39404, 68957, 78808, 137914, 157616, 187169, 275828, 374338, 551656, 748676, 1103312, 1310183, 1497352, 2620366, 2994704, 5240732, 10481464, 20962928]

約数ペア:

[(1, 20962928), (2, 10481464), (4, 5240732), (7, 2994704), (8, 2620366), (14, 1497352), (16, 1310183), (19, 1103312), (28, 748676), (38, 551656), (56, 374338), (76, 275828), (112, 187169), (133, 157616), (152, 137914), (266, 78808), (304, 68957), (532, 39404), (1064, 19702), (2128, 9851)]