20955120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87313}}^1$

素因数の和:87329

約数の個数: 40

約数和(自身を含む): 64961616

約数和(自身を除く): 44006496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87313, 174626, 261939, 349252, 436565, 523878, 698504, 873130, 1047756, 1309695, 1397008, 1746260, 2095512, 2619390, 3492520, 4191024, 5238780, 6985040, 10477560, 20955120]

約数ペア:

[(1, 20955120), (2, 10477560), (3, 6985040), (4, 5238780), (5, 4191024), (6, 3492520), (8, 2619390), (10, 2095512), (12, 1746260), (15, 1397008), (16, 1309695), (20, 1047756), (24, 873130), (30, 698504), (40, 523878), (48, 436565), (60, 349252), (80, 261939), (120, 174626), (240, 87313)]