20809568

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50023}}^1$

素因数の和:50046

約数の個数: 24

約数和(自身を含む): 44121168

約数和(自身を除く): 23311600

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50023, 100046, 200092, 400184, 650299, 800368, 1300598, 1600736, 2601196, 5202392, 10404784, 20809568]

約数ペア:

[(1, 20809568), (2, 10404784), (4, 5202392), (8, 2601196), (13, 1600736), (16, 1300598), (26, 800368), (32, 650299), (52, 400184), (104, 200092), (208, 100046), (416, 50023)]