20161540408

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{355307}}^1$

素因数の和:355527

約数の個数: 32

約数和(自身を含む): 38948862960

約数和(自身を除く): 18787322552

約数列:

[1, 2, 4, 8, 41, 82, 164, 173, 328, 346, 692, 1384, 7093, 14186, 28372, 56744, 355307, 710614, 1421228, 2842456, 14567587, 29135174, 58270348, 61468111, 116540696, 122936222, 245872444, 491744888, 2520192551, 5040385102, 10080770204, 20161540408]

約数ペア:

[(1, 20161540408), (2, 10080770204), (4, 5040385102), (8, 2520192551), (41, 491744888), (82, 245872444), (164, 122936222), (173, 116540696), (328, 61468111), (346, 58270348), (692, 29135174), (1384, 14567587), (7093, 2842456), (14186, 1421228), (28372, 710614), (56744, 355307)]