20631888

素因数分解:

$2^4\times 3^3\times {\mathrm{163}}^1\times {\mathrm{293}}^1$

素因数の和:473

約数の個数: 80

約数和(自身を含む): 59787840

約数和(自身を除く): 39155952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 108, 144, 163, 216, 293, 326, 432, 489, 586, 652, 879, 978, 1172, 1304, 1467, 1758, 1956, 2344, 2608, 2637, 2934, 3516, 3912, 4401, 4688, 5274, 5868, 7032, 7824, 7911, 8802, 10548, 11736, 14064, 15822, 17604, 21096, 23472, 31644, 35208, 42192, 47759, 63288, 70416, 95518, 126576, 143277, 191036, 286554, 382072, 429831, 573108, 764144, 859662, 1146216, 1289493, 1719324, 2292432, 2578986, 3438648, 5157972, 6877296, 10315944, 20631888]

約数ペア:

[(1, 20631888), (2, 10315944), (3, 6877296), (4, 5157972), (6, 3438648), (8, 2578986), (9, 2292432), (12, 1719324), (16, 1289493), (18, 1146216), (24, 859662), (27, 764144), (36, 573108), (48, 429831), (54, 382072), (72, 286554), (108, 191036), (144, 143277), (163, 126576), (216, 95518), (293, 70416), (326, 63288), (432, 47759), (489, 42192), (586, 35208), (652, 31644), (879, 23472), (978, 21096), (1172, 17604), (1304, 15822), (1467, 14064), (1758, 11736), (1956, 10548), (2344, 8802), (2608, 7911), (2637, 7824), (2934, 7032), (3516, 5868), (3912, 5274), (4401, 4688)]