20306468

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{55787}}^1$

素因数の和:55811

約数の個数: 24

約数和(自身を含む): 43737792

約数和(自身を除く): 23431324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 55787, 111574, 223148, 390509, 725231, 781018, 1450462, 1562036, 2900924, 5076617, 10153234, 20306468]

約数ペア:

[(1, 20306468), (2, 10153234), (4, 5076617), (7, 2900924), (13, 1562036), (14, 1450462), (26, 781018), (28, 725231), (52, 390509), (91, 223148), (182, 111574), (364, 55787)]