20165672

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{5113}}^1$

素因数の和:5165

約数の個数: 32

約数和(自身を含む): 41423400

約数和(自身を除く): 21257728

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 493, 986, 1972, 3944, 5113, 10226, 20452, 40904, 86921, 148277, 173842, 296554, 347684, 593108, 695368, 1186216, 2520709, 5041418, 10082836, 20165672]

約数ペア:

[(1, 20165672), (2, 10082836), (4, 5041418), (8, 2520709), (17, 1186216), (29, 695368), (34, 593108), (58, 347684), (68, 296554), (116, 173842), (136, 148277), (232, 86921), (493, 40904), (986, 20452), (1972, 10226), (3944, 5113)]