20884736

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3547}}^1$

素因数の和:3586

約数の個数: 36

約数和(自身を含む): 43512672

約数和(自身を除く): 22627936

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3547, 5888, 7094, 14188, 28376, 56752, 81581, 113504, 163162, 227008, 326324, 454016, 652648, 908032, 1305296, 2610592, 5221184, 10442368, 20884736]

約数ペア:

[(1, 20884736), (2, 10442368), (4, 5221184), (8, 2610592), (16, 1305296), (23, 908032), (32, 652648), (46, 454016), (64, 326324), (92, 227008), (128, 163162), (184, 113504), (256, 81581), (368, 56752), (736, 28376), (1472, 14188), (2944, 7094), (3547, 5888)]