20813552

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{7187}}^1$

素因数の和:7376

約数の個数: 20

約数和(自身を含む): 40554696

約数和(自身を除く): 19741144

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 7187, 14374, 28748, 57496, 114992, 1300847, 2601694, 5203388, 10406776, 20813552]

約数ペア:

[(1, 20813552), (2, 10406776), (4, 5203388), (8, 2601694), (16, 1300847), (181, 114992), (362, 57496), (724, 28748), (1448, 14374), (2896, 7187)]