20856860667

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{6121}}^1$

素因数の和:6246

約数の個数: 80

約数和(自身を含む): 34134312960

約数和(自身を除く): 13277452293

約数列:

[1, 3, 9, 23, 27, 31, 59, 69, 81, 93, 177, 207, 279, 531, 621, 713, 837, 1357, 1593, 1829, 1863, 2139, 2511, 4071, 4779, 5487, 6121, 6417, 12213, 16461, 18363, 19251, 36639, 42067, 49383, 55089, 57753, 109917, 126201, 140783, 148149, 165267, 189751, 361139, 378603, 422349, 495801, 569253, 1083417, 1135809, 1267047, 1707759, 3250251, 3407427, 3801141, 4364273, 5123277, 8306197, 9750753, 11195309, 11403423, 13092819, 15369831, 24918591, 29252259, 33585927, 39278457, 74755773, 100757781, 117835371, 224267319, 257492107, 302273343, 353506113, 672801957, 772476321, 906820029, 2317428963, 6952286889, 20856860667]

約数ペア:

[(1, 20856860667), (3, 6952286889), (9, 2317428963), (23, 906820029), (27, 772476321), (31, 672801957), (59, 353506113), (69, 302273343), (81, 257492107), (93, 224267319), (177, 117835371), (207, 100757781), (279, 74755773), (531, 39278457), (621, 33585927), (713, 29252259), (837, 24918591), (1357, 15369831), (1593, 13092819), (1829, 11403423), (1863, 11195309), (2139, 9750753), (2511, 8306197), (4071, 5123277), (4779, 4364273), (5487, 3801141), (6121, 3407427), (6417, 3250251), (12213, 1707759), (16461, 1267047), (18363, 1135809), (19251, 1083417), (36639, 569253), (42067, 495801), (49383, 422349), (55089, 378603), (57753, 361139), (109917, 189751), (126201, 165267), (140783, 148149)]