20551644

素因数分解:

$2^2\times 3^4\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:616

約数の個数: 60

約数和(自身を含む): 54235104

約数和(自身を除く): 33683460

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 137, 162, 274, 324, 411, 463, 548, 822, 926, 1233, 1389, 1644, 1852, 2466, 2778, 3699, 4167, 4932, 5556, 7398, 8334, 11097, 12501, 14796, 16668, 22194, 25002, 37503, 44388, 50004, 63431, 75006, 126862, 150012, 190293, 253724, 380586, 570879, 761172, 1141758, 1712637, 2283516, 3425274, 5137911, 6850548, 10275822, 20551644]

約数ペア:

[(1, 20551644), (2, 10275822), (3, 6850548), (4, 5137911), (6, 3425274), (9, 2283516), (12, 1712637), (18, 1141758), (27, 761172), (36, 570879), (54, 380586), (81, 253724), (108, 190293), (137, 150012), (162, 126862), (274, 75006), (324, 63431), (411, 50004), (463, 44388), (548, 37503), (822, 25002), (926, 22194), (1233, 16668), (1389, 14796), (1644, 12501), (1852, 11097), (2466, 8334), (2778, 7398), (3699, 5556), (4167, 4932)]