20548374

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{563}}^1$

素因数の和:665

約数の個数: 64

約数和(自身を含む): 51978240

約数和(自身を除く): 31429866

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 79, 154, 158, 231, 237, 462, 474, 553, 563, 869, 1106, 1126, 1659, 1689, 1738, 2607, 3318, 3378, 3941, 5214, 6083, 6193, 7882, 11823, 12166, 12386, 18249, 18579, 23646, 36498, 37158, 43351, 44477, 86702, 88954, 130053, 133431, 260106, 266862, 311339, 489247, 622678, 934017, 978494, 1467741, 1868034, 2935482, 3424729, 6849458, 10274187, 20548374]

約数ペア:

[(1, 20548374), (2, 10274187), (3, 6849458), (6, 3424729), (7, 2935482), (11, 1868034), (14, 1467741), (21, 978494), (22, 934017), (33, 622678), (42, 489247), (66, 311339), (77, 266862), (79, 260106), (154, 133431), (158, 130053), (231, 88954), (237, 86702), (462, 44477), (474, 43351), (553, 37158), (563, 36498), (869, 23646), (1106, 18579), (1126, 18249), (1659, 12386), (1689, 12166), (1738, 11823), (2607, 7882), (3318, 6193), (3378, 6083), (3941, 5214)]