20201522

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1622

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15740878

約数列:

[1, 2, 11, 19, 22, 31, 38, 62, 209, 341, 418, 589, 682, 1178, 1559, 3118, 6479, 12958, 17149, 29621, 34298, 48329, 59242, 96658, 325831, 531619, 651662, 918251, 1063238, 1836502, 10100761, 20201522]

約数ペア:

[(1, 20201522), (2, 10100761), (11, 1836502), (19, 1063238), (22, 918251), (31, 651662), (38, 531619), (62, 325831), (209, 96658), (341, 59242), (418, 48329), (589, 34298), (682, 29621), (1178, 17149), (1559, 12958), (3118, 6479)]