20481831747

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{738643}}^1$

素因数の和:738744

約数の個数: 32

約数和(自身を含む): 33091251200

約数和(自身を除く): 12609419453

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 9243, 27729, 738643, 2215929, 6647787, 9602359, 19943361, 28807077, 58352797, 86421231, 175058391, 259263693, 525175173, 758586361, 1575525519, 2275759083, 6827277249, 20481831747]

約数ペア:

[(1, 20481831747), (3, 6827277249), (9, 2275759083), (13, 1575525519), (27, 758586361), (39, 525175173), (79, 259263693), (117, 175058391), (237, 86421231), (351, 58352797), (711, 28807077), (1027, 19943361), (2133, 9602359), (3081, 6647787), (9243, 2215929), (27729, 738643)]