20057331

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2957}}^1$

素因数の和:3003

約数の個数: 32

約数和(自身を含む): 34076160

約数和(自身を除く): 14018829

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2957, 6783, 8871, 20699, 50269, 56183, 62097, 150807, 168549, 351883, 393281, 955111, 1055649, 1179843, 2865333, 6685777, 20057331]

約数ペア:

[(1, 20057331), (3, 6685777), (7, 2865333), (17, 1179843), (19, 1055649), (21, 955111), (51, 393281), (57, 351883), (119, 168549), (133, 150807), (323, 62097), (357, 56183), (399, 50269), (969, 20699), (2261, 8871), (2957, 6783)]