20448896

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{12289}}^1$

素因数の和:12316

約数の個数: 32

約数和(自身を含む): 43875300

約数和(自身を除く): 23426404

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 12289, 24578, 49156, 98312, 159757, 196624, 319514, 393248, 639028, 786496, 1278056, 1572992, 2556112, 5112224, 10224448, 20448896]

約数ペア:

[(1, 20448896), (2, 10224448), (4, 5112224), (8, 2556112), (13, 1572992), (16, 1278056), (26, 786496), (32, 639028), (52, 393248), (64, 319514), (104, 196624), (128, 159757), (208, 98312), (416, 49156), (832, 24578), (1664, 12289)]