20939336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 45144000

約数和(自身を除く): 24204664

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 59, 74, 88, 109, 118, 148, 218, 236, 296, 407, 436, 472, 649, 814, 872, 1199, 1298, 1628, 2183, 2398, 2596, 3256, 4033, 4366, 4796, 5192, 6431, 8066, 8732, 9592, 12862, 16132, 17464, 24013, 25724, 32264, 44363, 48026, 51448, 70741, 88726, 96052, 141482, 177452, 192104, 237947, 282964, 354904, 475894, 565928, 951788, 1903576, 2617417, 5234834, 10469668, 20939336]

約数ペア:

[(1, 20939336), (2, 10469668), (4, 5234834), (8, 2617417), (11, 1903576), (22, 951788), (37, 565928), (44, 475894), (59, 354904), (74, 282964), (88, 237947), (109, 192104), (118, 177452), (148, 141482), (218, 96052), (236, 88726), (296, 70741), (407, 51448), (436, 48026), (472, 44363), (649, 32264), (814, 25724), (872, 24013), (1199, 17464), (1298, 16132), (1628, 12862), (2183, 9592), (2398, 8732), (2596, 8066), (3256, 6431), (4033, 5192), (4366, 4796)]