20039432

素因数分解:

$2^3\times 7^3\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 44880000

約数和(自身を除く): 24840568

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 109, 134, 196, 218, 268, 343, 392, 436, 469, 536, 686, 763, 872, 938, 1372, 1526, 1876, 2744, 3052, 3283, 3752, 5341, 6104, 6566, 7303, 10682, 13132, 14606, 21364, 22981, 26264, 29212, 37387, 42728, 45962, 51121, 58424, 74774, 91924, 102242, 149548, 183848, 204484, 299096, 357847, 408968, 715694, 1431388, 2504929, 2862776, 5009858, 10019716, 20039432]

約数ペア:

[(1, 20039432), (2, 10019716), (4, 5009858), (7, 2862776), (8, 2504929), (14, 1431388), (28, 715694), (49, 408968), (56, 357847), (67, 299096), (98, 204484), (109, 183848), (134, 149548), (196, 102242), (218, 91924), (268, 74774), (343, 58424), (392, 51121), (436, 45962), (469, 42728), (536, 37387), (686, 29212), (763, 26264), (872, 22981), (938, 21364), (1372, 14606), (1526, 13132), (1876, 10682), (2744, 7303), (3052, 6566), (3283, 6104), (3752, 5341)]