20355090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 58014144

約数和(自身を除く): 37659054

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 61, 70, 98, 105, 122, 147, 183, 210, 227, 245, 294, 305, 366, 427, 454, 490, 610, 681, 735, 854, 915, 1135, 1281, 1362, 1470, 1589, 1830, 2135, 2270, 2562, 2989, 3178, 3405, 4270, 4767, 5978, 6405, 6810, 7945, 8967, 9534, 11123, 12810, 13847, 14945, 15890, 17934, 22246, 23835, 27694, 29890, 33369, 41541, 44835, 47670, 55615, 66738, 69235, 83082, 89670, 96929, 111230, 138470, 166845, 193858, 207705, 290787, 333690, 415410, 484645, 581574, 678503, 969290, 1357006, 1453935, 2035509, 2907870, 3392515, 4071018, 6785030, 10177545, 20355090]

約数ペア:

[(1, 20355090), (2, 10177545), (3, 6785030), (5, 4071018), (6, 3392515), (7, 2907870), (10, 2035509), (14, 1453935), (15, 1357006), (21, 969290), (30, 678503), (35, 581574), (42, 484645), (49, 415410), (61, 333690), (70, 290787), (98, 207705), (105, 193858), (122, 166845), (147, 138470), (183, 111230), (210, 96929), (227, 89670), (245, 83082), (294, 69235), (305, 66738), (366, 55615), (427, 47670), (454, 44835), (490, 41541), (610, 33369), (681, 29890), (735, 27694), (854, 23835), (915, 22246), (1135, 17934), (1281, 15890), (1362, 14945), (1470, 13847), (1589, 12810), (1830, 11123), (2135, 9534), (2270, 8967), (2562, 7945), (2989, 6810), (3178, 6405), (3405, 5978), (4270, 4767)]