20737470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53173}}^1$

素因数の和:53196

約数の個数: 32

約数和(自身を含む): 53599392

約数和(自身を除く): 32861922

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 53173, 106346, 159519, 265865, 319038, 531730, 691249, 797595, 1382498, 1595190, 2073747, 3456245, 4147494, 6912490, 10368735, 20737470]

約数ペア:

[(1, 20737470), (2, 10368735), (3, 6912490), (5, 4147494), (6, 3456245), (10, 2073747), (13, 1595190), (15, 1382498), (26, 797595), (30, 691249), (39, 531730), (65, 319038), (78, 265865), (130, 159519), (195, 106346), (390, 53173)]