16914920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1039}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 42681600

約数和(自身を除く): 25766680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 740, 814, 1039, 1480, 1628, 2035, 2078, 3256, 4070, 4156, 5195, 8140, 8312, 10390, 11429, 16280, 20780, 22858, 38443, 41560, 45716, 57145, 76886, 91432, 114290, 153772, 192215, 228580, 307544, 384430, 422873, 457160, 768860, 845746, 1537720, 1691492, 2114365, 3382984, 4228730, 8457460, 16914920]

約数ペア:

[(1, 16914920), (2, 8457460), (4, 4228730), (5, 3382984), (8, 2114365), (10, 1691492), (11, 1537720), (20, 845746), (22, 768860), (37, 457160), (40, 422873), (44, 384430), (55, 307544), (74, 228580), (88, 192215), (110, 153772), (148, 114290), (185, 91432), (220, 76886), (296, 57145), (370, 45716), (407, 41560), (440, 38443), (740, 22858), (814, 20780), (1039, 16280), (1480, 11429), (1628, 10390), (2035, 8312), (2078, 8140), (3256, 5195), (4070, 4156)]