20552908

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{7309}}^1$

素因数の和:7369

約数の個数: 24

約数和(自身を含む): 38889200

約数和(自身を除く): 18336292

約数列:

[1, 2, 4, 19, 37, 38, 74, 76, 148, 703, 1406, 2812, 7309, 14618, 29236, 138871, 270433, 277742, 540866, 555484, 1081732, 5138227, 10276454, 20552908]

約数ペア:

[(1, 20552908), (2, 10276454), (4, 5138227), (19, 1081732), (37, 555484), (38, 540866), (74, 277742), (76, 270433), (148, 138871), (703, 29236), (1406, 14618), (2812, 7309)]