20199206545

素因数分解:

$5^1\times 7^3\times {\mathrm{2221}}^1\times {\mathrm{5303}}^1$

素因数の和:7550

約数の個数: 32

約数和(自身を含む): 28285171200

約数和(自身を除く): 8085964655

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 2221, 5303, 11105, 15547, 26515, 37121, 77735, 108829, 185605, 259847, 544145, 761803, 1299235, 1818929, 3809015, 9094645, 11777963, 58889815, 82445741, 412228705, 577120187, 2885600935, 4039841309, 20199206545]

約数ペア:

[(1, 20199206545), (5, 4039841309), (7, 2885600935), (35, 577120187), (49, 412228705), (245, 82445741), (343, 58889815), (1715, 11777963), (2221, 9094645), (5303, 3809015), (11105, 1818929), (15547, 1299235), (26515, 761803), (37121, 544145), (77735, 259847), (108829, 185605)]