20278230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1583}}^1$

素因数の和:1661

約数の個数: 64

約数和(自身を含む): 56567808

約数和(自身を除く): 36289578

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1583, 1830, 2135, 2562, 3166, 4270, 4749, 6405, 7915, 9498, 11081, 12810, 15830, 22162, 23745, 33243, 47490, 55405, 66486, 96563, 110810, 166215, 193126, 289689, 332430, 482815, 579378, 675941, 965630, 1351882, 1448445, 2027823, 2896890, 3379705, 4055646, 6759410, 10139115, 20278230]

約数ペア:

[(1, 20278230), (2, 10139115), (3, 6759410), (5, 4055646), (6, 3379705), (7, 2896890), (10, 2027823), (14, 1448445), (15, 1351882), (21, 965630), (30, 675941), (35, 579378), (42, 482815), (61, 332430), (70, 289689), (105, 193126), (122, 166215), (183, 110810), (210, 96563), (305, 66486), (366, 55405), (427, 47490), (610, 33243), (854, 23745), (915, 22162), (1281, 15830), (1583, 12810), (1830, 11081), (2135, 9498), (2562, 7915), (3166, 6405), (4270, 4749)]