20373015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:759

約数の個数: 32

約数和(自身を含む): 35352576

約数和(自身を除く): 14979561

約数列:

[1, 3, 5, 13, 15, 39, 65, 191, 195, 547, 573, 955, 1641, 2483, 2735, 2865, 7111, 7449, 8205, 12415, 21333, 35555, 37245, 104477, 106665, 313431, 522385, 1358201, 1567155, 4074603, 6791005, 20373015]

約数ペア:

[(1, 20373015), (3, 6791005), (5, 4074603), (13, 1567155), (15, 1358201), (39, 522385), (65, 313431), (191, 106665), (195, 104477), (547, 37245), (573, 35555), (955, 21333), (1641, 12415), (2483, 8205), (2735, 7449), (2865, 7111)]