20341936

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:529

約数の個数: 40

約数和(自身を含む): 41497344

約数和(自身を除く): 21155408

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 167, 184, 331, 334, 368, 662, 668, 1324, 1336, 2648, 2672, 3841, 5296, 7613, 7682, 15226, 15364, 30452, 30728, 55277, 60904, 61456, 110554, 121808, 221108, 442216, 884432, 1271371, 2542742, 5085484, 10170968, 20341936]

約数ペア:

[(1, 20341936), (2, 10170968), (4, 5085484), (8, 2542742), (16, 1271371), (23, 884432), (46, 442216), (92, 221108), (167, 121808), (184, 110554), (331, 61456), (334, 60904), (368, 55277), (662, 30728), (668, 30452), (1324, 15364), (1336, 15226), (2648, 7682), (2672, 7613), (3841, 5296)]