20975292

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44819}}^1$

素因数の和:44842

約数の個数: 36

約数和(自身を含む): 57100680

約数和(自身を除く): 36125388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44819, 89638, 134457, 179276, 268914, 403371, 537828, 582647, 806742, 1165294, 1613484, 1747941, 2330588, 3495882, 5243823, 6991764, 10487646, 20975292]

約数ペア:

[(1, 20975292), (2, 10487646), (3, 6991764), (4, 5243823), (6, 3495882), (9, 2330588), (12, 1747941), (13, 1613484), (18, 1165294), (26, 806742), (36, 582647), (39, 537828), (52, 403371), (78, 268914), (117, 179276), (156, 134457), (234, 89638), (468, 44819)]