20412918

素因数分解:

$2^1\times 3^3\times {\mathrm{61}}^1\times {\mathrm{6197}}^1$

素因数の和:6269

約数の個数: 32

約数和(自身を含む): 46113120

約数和(自身を除く): 25700202

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 122, 183, 366, 549, 1098, 1647, 3294, 6197, 12394, 18591, 37182, 55773, 111546, 167319, 334638, 378017, 756034, 1134051, 2268102, 3402153, 6804306, 10206459, 20412918]

約数ペア:

[(1, 20412918), (2, 10206459), (3, 6804306), (6, 3402153), (9, 2268102), (18, 1134051), (27, 756034), (54, 378017), (61, 334638), (122, 167319), (183, 111546), (366, 55773), (549, 37182), (1098, 18591), (1647, 12394), (3294, 6197)]