20115568

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3089}}^1$

素因数の和:3145

約数の個数: 40

約数和(自身を含む): 43680240

約数和(自身を除く): 23564672

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 74, 88, 148, 176, 296, 407, 592, 814, 1628, 3089, 3256, 6178, 6512, 12356, 24712, 33979, 49424, 67958, 114293, 135916, 228586, 271832, 457172, 543664, 914344, 1257223, 1828688, 2514446, 5028892, 10057784, 20115568]

約数ペア:

[(1, 20115568), (2, 10057784), (4, 5028892), (8, 2514446), (11, 1828688), (16, 1257223), (22, 914344), (37, 543664), (44, 457172), (74, 271832), (88, 228586), (148, 135916), (176, 114293), (296, 67958), (407, 49424), (592, 33979), (814, 24712), (1628, 12356), (3089, 6512), (3256, 6178)]