20128096215

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2615737}}^1$

素因数の和:2615773

約数の個数: 40

約数和(自身を含む): 37980515760

約数和(自身を除く): 17852419545

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 81, 95, 135, 171, 285, 405, 513, 855, 1539, 2565, 7695, 2615737, 7847211, 13078685, 23541633, 39236055, 49699003, 70624899, 117708165, 149097009, 211874697, 248495015, 353124495, 447291027, 745485045, 1059373485, 1341873081, 2236455135, 4025619243, 6709365405, 20128096215]

約数ペア:

[(1, 20128096215), (3, 6709365405), (5, 4025619243), (9, 2236455135), (15, 1341873081), (19, 1059373485), (27, 745485045), (45, 447291027), (57, 353124495), (81, 248495015), (95, 211874697), (135, 149097009), (171, 117708165), (285, 70624899), (405, 49699003), (513, 39236055), (855, 23541633), (1539, 13078685), (2565, 7847211), (7695, 2615737)]