20956080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87317}}^1$

素因数の和:87333

約数の個数: 40

約数和(自身を含む): 64964592

約数和(自身を除く): 44008512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87317, 174634, 261951, 349268, 436585, 523902, 698536, 873170, 1047804, 1309755, 1397072, 1746340, 2095608, 2619510, 3492680, 4191216, 5239020, 6985360, 10478040, 20956080]

約数ペア:

[(1, 20956080), (2, 10478040), (3, 6985360), (4, 5239020), (5, 4191216), (6, 3492680), (8, 2619510), (10, 2095608), (12, 1746340), (15, 1397072), (16, 1309755), (20, 1047804), (24, 873170), (30, 698536), (40, 523902), (48, 436585), (60, 349268), (80, 261951), (120, 174634), (240, 87317)]