20753115

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:719

約数の個数: 32

約数和(自身を含む): 34718016

約数和(自身を除く): 13964901

約数列:

[1, 3, 5, 15, 37, 61, 111, 183, 185, 305, 555, 613, 915, 1839, 2257, 3065, 6771, 9195, 11285, 22681, 33855, 37393, 68043, 112179, 113405, 186965, 340215, 560895, 1383541, 4150623, 6917705, 20753115]

約数ペア:

[(1, 20753115), (3, 6917705), (5, 4150623), (15, 1383541), (37, 560895), (61, 340215), (111, 186965), (183, 113405), (185, 112179), (305, 68043), (555, 37393), (613, 33855), (915, 22681), (1839, 11285), (2257, 9195), (3065, 6771)]