20021178

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{2459}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 42508800

約数和(自身を除く): 22487622

約数列:

[1, 2, 3, 6, 23, 46, 59, 69, 118, 138, 177, 354, 1357, 2459, 2714, 4071, 4918, 7377, 8142, 14754, 56557, 113114, 145081, 169671, 290162, 339342, 435243, 870486, 3336863, 6673726, 10010589, 20021178]

約数ペア:

[(1, 20021178), (2, 10010589), (3, 6673726), (6, 3336863), (23, 870486), (46, 435243), (59, 339342), (69, 290162), (118, 169671), (138, 145081), (177, 113114), (354, 56557), (1357, 14754), (2459, 8142), (2714, 7377), (4071, 4918)]