20171279051

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1\times {\mathrm{12941}}^1$

素因数の和:13643

約数の個数: 32

約数和(自身を含む): 26001616896

約数和(自身を除く): 5830337845

約数列:

[1, 7, 11, 31, 77, 217, 341, 653, 2387, 4571, 7183, 12941, 20243, 50281, 90587, 141701, 142351, 222673, 401171, 996457, 1558711, 2808197, 4412881, 8450473, 30890167, 59153311, 92955203, 261964663, 650686421, 1833752641, 2881611293, 20171279051]

約数ペア:

[(1, 20171279051), (7, 2881611293), (11, 1833752641), (31, 650686421), (77, 261964663), (217, 92955203), (341, 59153311), (653, 30890167), (2387, 8450473), (4571, 4412881), (7183, 2808197), (12941, 1558711), (20243, 996457), (50281, 401171), (90587, 222673), (141701, 142351)]