20639712

素因数分解:

$2^5\times 3^1\times {\mathrm{163}}^1\times {\mathrm{1319}}^1$

素因数の和:1495

約数の個数: 48

約数和(自身を含む): 54552960

約数和(自身を除く): 33913248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 163, 326, 489, 652, 978, 1304, 1319, 1956, 2608, 2638, 3912, 3957, 5216, 5276, 7824, 7914, 10552, 15648, 15828, 21104, 31656, 42208, 63312, 126624, 214997, 429994, 644991, 859988, 1289982, 1719976, 2579964, 3439952, 5159928, 6879904, 10319856, 20639712]

約数ペア:

[(1, 20639712), (2, 10319856), (3, 6879904), (4, 5159928), (6, 3439952), (8, 2579964), (12, 1719976), (16, 1289982), (24, 859988), (32, 644991), (48, 429994), (96, 214997), (163, 126624), (326, 63312), (489, 42208), (652, 31656), (978, 21104), (1304, 15828), (1319, 15648), (1956, 10552), (2608, 7914), (2638, 7824), (3912, 5276), (3957, 5216)]