20513302327

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{2441}}^1$

素因数の和:2632

約数の個数: 48

約数和(自身を含む): 25255359360

約数和(自身を除く): 4742057033

約数列:

[1, 7, 41, 47, 49, 89, 287, 329, 623, 1927, 2009, 2303, 2441, 3649, 4183, 4361, 13489, 17087, 25543, 29281, 94423, 100081, 114727, 119609, 171503, 178801, 204967, 217249, 700567, 803089, 1200521, 1520743, 4703807, 4903969, 5621623, 8403647, 8907209, 10210703, 10645201, 32926649, 62350463, 71474921, 230486543, 418638823, 436453241, 500324447, 2930471761, 20513302327]

約数ペア:

[(1, 20513302327), (7, 2930471761), (41, 500324447), (47, 436453241), (49, 418638823), (89, 230486543), (287, 71474921), (329, 62350463), (623, 32926649), (1927, 10645201), (2009, 10210703), (2303, 8907209), (2441, 8403647), (3649, 5621623), (4183, 4903969), (4361, 4703807), (13489, 1520743), (17087, 1200521), (25543, 803089), (29281, 700567), (94423, 217249), (100081, 204967), (114727, 178801), (119609, 171503)]