20115445818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{408701}}^1$

素因数の和:409350

約数の個数: 32

約数和(自身を含む): 43394343552

約数和(自身を除く): 23278897734

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 631, 1262, 1893, 3786, 8203, 16406, 24609, 49218, 408701, 817402, 1226103, 2452206, 5313113, 10626226, 15939339, 31878678, 257890331, 515780662, 773670993, 1547341986, 3352574303, 6705148606, 10057722909, 20115445818]

約数ペア:

[(1, 20115445818), (2, 10057722909), (3, 6705148606), (6, 3352574303), (13, 1547341986), (26, 773670993), (39, 515780662), (78, 257890331), (631, 31878678), (1262, 15939339), (1893, 10626226), (3786, 5313113), (8203, 2452206), (16406, 1226103), (24609, 817402), (49218, 408701)]