20384468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4723}}^1$

素因数の和:4823

約数の個数: 24

約数和(自身を含む): 38887968

約数和(自身を除く): 18503500

約数列:

[1, 2, 4, 13, 26, 52, 83, 166, 332, 1079, 2158, 4316, 4723, 9446, 18892, 61399, 122798, 245596, 392009, 784018, 1568036, 5096117, 10192234, 20384468]

約数ペア:

[(1, 20384468), (2, 10192234), (4, 5096117), (13, 1568036), (26, 784018), (52, 392009), (83, 245596), (166, 122798), (332, 61399), (1079, 18892), (2158, 9446), (4316, 4723)]