20896080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1049}}^1$

素因数の和:1148

約数の個数: 80

約数和(自身を含む): 65620800

約数和(自身を除く): 44724720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 83, 120, 166, 240, 249, 332, 415, 498, 664, 830, 996, 1049, 1245, 1328, 1660, 1992, 2098, 2490, 3147, 3320, 3984, 4196, 4980, 5245, 6294, 6640, 8392, 9960, 10490, 12588, 15735, 16784, 19920, 20980, 25176, 31470, 41960, 50352, 62940, 83920, 87067, 125880, 174134, 251760, 261201, 348268, 435335, 522402, 696536, 870670, 1044804, 1306005, 1393072, 1741340, 2089608, 2612010, 3482680, 4179216, 5224020, 6965360, 10448040, 20896080]

約数ペア:

[(1, 20896080), (2, 10448040), (3, 6965360), (4, 5224020), (5, 4179216), (6, 3482680), (8, 2612010), (10, 2089608), (12, 1741340), (15, 1393072), (16, 1306005), (20, 1044804), (24, 870670), (30, 696536), (40, 522402), (48, 435335), (60, 348268), (80, 261201), (83, 251760), (120, 174134), (166, 125880), (240, 87067), (249, 83920), (332, 62940), (415, 50352), (498, 41960), (664, 31470), (830, 25176), (996, 20980), (1049, 19920), (1245, 16784), (1328, 15735), (1660, 12588), (1992, 10490), (2098, 9960), (2490, 8392), (3147, 6640), (3320, 6294), (3984, 5245), (4196, 4980)]