20548515

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{631}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 35675136

約数和(自身を除く): 15126621

約数列:

[1, 3, 5, 13, 15, 39, 65, 167, 195, 501, 631, 835, 1893, 2171, 2505, 3155, 6513, 8203, 9465, 10855, 24609, 32565, 41015, 105377, 123045, 316131, 526885, 1369901, 1580655, 4109703, 6849505, 20548515]

約数ペア:

[(1, 20548515), (3, 6849505), (5, 4109703), (13, 1580655), (15, 1369901), (39, 526885), (65, 316131), (167, 123045), (195, 105377), (501, 41015), (631, 32565), (835, 24609), (1893, 10855), (2171, 9465), (2505, 8203), (3155, 6513)]