20356220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53569}}^1$

素因数の和:53597

約数の個数: 24

約数和(自身を含む): 44998800

約数和(自身を除く): 24642580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53569, 107138, 214276, 267845, 535690, 1017811, 1071380, 2035622, 4071244, 5089055, 10178110, 20356220]

約数ペア:

[(1, 20356220), (2, 10178110), (4, 5089055), (5, 4071244), (10, 2035622), (19, 1071380), (20, 1017811), (38, 535690), (76, 267845), (95, 214276), (190, 107138), (380, 53569)]