20280856761

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{7877}}^1\times {\mathrm{8669}}^1$

素因数の和:16566

約数の個数: 32

約数和(自身を含む): 32785084800

約数和(自身を除く): 12504228039

約数列:

[1, 3, 9, 11, 27, 33, 99, 297, 7877, 8669, 23631, 26007, 70893, 78021, 86647, 95359, 212679, 234063, 259941, 286077, 779823, 858231, 2339469, 2574693, 68285713, 204857139, 614571417, 751142843, 1843714251, 2253428529, 6760285587, 20280856761]

約数ペア:

[(1, 20280856761), (3, 6760285587), (9, 2253428529), (11, 1843714251), (27, 751142843), (33, 614571417), (99, 204857139), (297, 68285713), (7877, 2574693), (8669, 2339469), (23631, 858231), (26007, 779823), (70893, 286077), (78021, 259941), (86647, 234063), (95359, 212679)]