20757768

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{16319}}^1$

素因数の和:16381

約数の個数: 32

約数和(自身を含む): 52876800

約数和(自身を除く): 32119032

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272, 16319, 32638, 48957, 65276, 97914, 130552, 195828, 391656, 864907, 1729814, 2594721, 3459628, 5189442, 6919256, 10378884, 20757768]

約数ペア:

[(1, 20757768), (2, 10378884), (3, 6919256), (4, 5189442), (6, 3459628), (8, 2594721), (12, 1729814), (24, 864907), (53, 391656), (106, 195828), (159, 130552), (212, 97914), (318, 65276), (424, 48957), (636, 32638), (1272, 16319)]