20058519

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 30449664

約数和(自身を除く): 10391145

約数列:

[1, 3, 13, 31, 39, 47, 93, 141, 353, 403, 611, 1059, 1209, 1457, 1833, 4371, 4589, 10943, 13767, 16591, 18941, 32829, 49773, 56823, 142259, 215683, 426777, 514321, 647049, 1542963, 6686173, 20058519]

約数ペア:

[(1, 20058519), (3, 6686173), (13, 1542963), (31, 647049), (39, 514321), (47, 426777), (93, 215683), (141, 142259), (353, 56823), (403, 49773), (611, 32829), (1059, 18941), (1209, 16591), (1457, 13767), (1833, 10943), (4371, 4589)]