19720944

素因数分解:

$2^4\times 3^2\times {\mathrm{136951}}^1$

素因数の和:136965

約数の個数: 30

約数和(自身を含む): 55191656

約数和(自身を除く): 35470712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 136951, 273902, 410853, 547804, 821706, 1095608, 1232559, 1643412, 2191216, 2465118, 3286824, 4930236, 6573648, 9860472, 19720944]

約数ペア:

[(1, 19720944), (2, 9860472), (3, 6573648), (4, 4930236), (6, 3286824), (8, 2465118), (9, 2191216), (12, 1643412), (16, 1232559), (18, 1095608), (24, 821706), (36, 547804), (48, 410853), (72, 273902), (144, 136951)]