20276607

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 30336768

約数和(自身を除く): 10060161

約数列:

[1, 3, 13, 39, 43, 107, 113, 129, 321, 339, 559, 1391, 1469, 1677, 4173, 4407, 4601, 4859, 12091, 13803, 14577, 36273, 59813, 63167, 157183, 179439, 189501, 471549, 519913, 1559739, 6758869, 20276607]

約数ペア:

[(1, 20276607), (3, 6758869), (13, 1559739), (39, 519913), (43, 471549), (107, 189501), (113, 179439), (129, 157183), (321, 63167), (339, 59813), (559, 36273), (1391, 14577), (1469, 13803), (1677, 12091), (4173, 4859), (4407, 4601)]