20177504

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1279}}^1$

素因数の和:1335

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23368096

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 68, 116, 136, 232, 272, 464, 493, 544, 928, 986, 1279, 1972, 2558, 3944, 5116, 7888, 10232, 15776, 20464, 21743, 37091, 40928, 43486, 74182, 86972, 148364, 173944, 296728, 347888, 593456, 630547, 695776, 1186912, 1261094, 2522188, 5044376, 10088752, 20177504]

約数ペア:

[(1, 20177504), (2, 10088752), (4, 5044376), (8, 2522188), (16, 1261094), (17, 1186912), (29, 695776), (32, 630547), (34, 593456), (58, 347888), (68, 296728), (116, 173944), (136, 148364), (232, 86972), (272, 74182), (464, 43486), (493, 40928), (544, 37091), (928, 21743), (986, 20464), (1279, 15776), (1972, 10232), (2558, 7888), (3944, 5116)]