20871882

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19009}}^1$

素因数の和:19078

約数の個数: 24

約数和(自身を含む): 45966180

約数和(自身を除く): 25094298

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19009, 38018, 57027, 114054, 171081, 342162, 1159549, 2319098, 3478647, 6957294, 10435941, 20871882]

約数ペア:

[(1, 20871882), (2, 10435941), (3, 6957294), (6, 3478647), (9, 2319098), (18, 1159549), (61, 342162), (122, 171081), (183, 114054), (366, 57027), (549, 38018), (1098, 19009)]