20147873415

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{356947}}^1$

素因数の和:357079

約数の個数: 32

約数和(自身を含む): 33307531776

約数和(自身を除く): 13159658361

約数列:

[1, 3, 5, 15, 53, 71, 159, 213, 265, 355, 795, 1065, 3763, 11289, 18815, 56445, 356947, 1070841, 1784735, 5354205, 18918191, 25343237, 56754573, 76029711, 94590955, 126716185, 283772865, 380148555, 1343191561, 4029574683, 6715957805, 20147873415]

約数ペア:

[(1, 20147873415), (3, 6715957805), (5, 4029574683), (15, 1343191561), (53, 380148555), (71, 283772865), (159, 126716185), (213, 94590955), (265, 76029711), (355, 56754573), (795, 25343237), (1065, 18918191), (3763, 5354205), (11289, 1784735), (18815, 1070841), (56445, 356947)]