20565386103

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{3559}}^1$

素因数の和:4143

約数の個数: 32

約数和(自身を含む): 28420761600

約数和(自身を除く): 7855375497

約数列:

[1, 3, 41, 109, 123, 327, 431, 1293, 3559, 4469, 10677, 13407, 17671, 46979, 53013, 140937, 145919, 387931, 437757, 1163793, 1533929, 1926139, 4601787, 5778417, 15905171, 47715513, 62891089, 167198261, 188673267, 501594783, 6855128701, 20565386103]

約数ペア:

[(1, 20565386103), (3, 6855128701), (41, 501594783), (109, 188673267), (123, 167198261), (327, 62891089), (431, 47715513), (1293, 15905171), (3559, 5778417), (4469, 4601787), (10677, 1926139), (13407, 1533929), (17671, 1163793), (46979, 437757), (53013, 387931), (140937, 145919)]