20809156784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100044023}}^1$

素因数の和:100044044

約数の個数: 20

約数和(自身を含む): 43419106416

約数和(自身を除く): 22609949632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100044023, 200088046, 400176092, 800352184, 1300572299, 1600704368, 2601144598, 5202289196, 10404578392, 20809156784]

約数ペア:

[(1, 20809156784), (2, 10404578392), (4, 5202289196), (8, 2601144598), (13, 1600704368), (16, 1300572299), (26, 800352184), (52, 400176092), (104, 200088046), (208, 100044023)]