20727770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 44914176

約数和(自身を除く): 24186406

約数列:

[1, 2, 5, 7, 10, 14, 35, 37, 53, 70, 74, 106, 151, 185, 259, 265, 302, 370, 371, 518, 530, 742, 755, 1057, 1295, 1510, 1855, 1961, 2114, 2590, 3710, 3922, 5285, 5587, 8003, 9805, 10570, 11174, 13727, 16006, 19610, 27454, 27935, 39109, 40015, 55870, 56021, 68635, 78218, 80030, 112042, 137270, 195545, 280105, 296111, 391090, 560210, 592222, 1480555, 2072777, 2961110, 4145554, 10363885, 20727770]

約数ペア:

[(1, 20727770), (2, 10363885), (5, 4145554), (7, 2961110), (10, 2072777), (14, 1480555), (35, 592222), (37, 560210), (53, 391090), (70, 296111), (74, 280105), (106, 195545), (151, 137270), (185, 112042), (259, 80030), (265, 78218), (302, 68635), (370, 56021), (371, 55870), (518, 40015), (530, 39109), (742, 27935), (755, 27454), (1057, 19610), (1295, 16006), (1510, 13727), (1855, 11174), (1961, 10570), (2114, 9805), (2590, 8003), (3710, 5587), (3922, 5285)]