20216742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{607}}^1$

素因数の和:693

約数の個数: 64

約数和(自身を含む): 50663424

約数和(自身を除く): 30446682

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 61, 78, 91, 122, 182, 183, 273, 366, 427, 546, 607, 793, 854, 1214, 1281, 1586, 1821, 2379, 2562, 3642, 4249, 4758, 5551, 7891, 8498, 11102, 12747, 15782, 16653, 23673, 25494, 33306, 37027, 47346, 55237, 74054, 110474, 111081, 165711, 222162, 259189, 331422, 481351, 518378, 777567, 962702, 1444053, 1555134, 2888106, 3369457, 6738914, 10108371, 20216742]

約数ペア:

[(1, 20216742), (2, 10108371), (3, 6738914), (6, 3369457), (7, 2888106), (13, 1555134), (14, 1444053), (21, 962702), (26, 777567), (39, 518378), (42, 481351), (61, 331422), (78, 259189), (91, 222162), (122, 165711), (182, 111081), (183, 110474), (273, 74054), (366, 55237), (427, 47346), (546, 37027), (607, 33306), (793, 25494), (854, 23673), (1214, 16653), (1281, 15782), (1586, 12747), (1821, 11102), (2379, 8498), (2562, 7891), (3642, 5551), (4249, 4758)]