20213378

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{2521}}^1$

素因数の和:2753

約数の個数: 16

約数和(自身を含む): 32079840

約数和(自身を除く): 11866462

約数列:

[1, 2, 19, 38, 211, 422, 2521, 4009, 5042, 8018, 47899, 95798, 531931, 1063862, 10106689, 20213378]

約数ペア:

[(1, 20213378), (2, 10106689), (19, 1063862), (38, 531931), (211, 95798), (422, 47899), (2521, 8018), (4009, 5042)]