20180920323

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1\times {\mathrm{12277}}^1$

素因数の和:12627

約数の個数: 32

約数和(自身を含む): 28217790720

約数和(自身を除く): 8036870397

約数列:

[1, 3, 37, 59, 111, 177, 251, 753, 2183, 6549, 9287, 12277, 14809, 27861, 36831, 44427, 454249, 547933, 724343, 1362747, 1643799, 2173029, 3081527, 9244581, 26800691, 80402073, 114016499, 181810093, 342049497, 545430279, 6726973441, 20180920323]

約数ペア:

[(1, 20180920323), (3, 6726973441), (37, 545430279), (59, 342049497), (111, 181810093), (177, 114016499), (251, 80402073), (753, 26800691), (2183, 9244581), (6549, 3081527), (9287, 2173029), (12277, 1643799), (14809, 1362747), (27861, 724343), (36831, 547933), (44427, 454249)]