20774810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{641}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 42895872

約数和(自身を除く): 22121062

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 463, 641, 926, 1282, 2315, 3205, 3241, 4487, 4630, 6410, 6482, 8974, 16205, 22435, 32410, 44870, 296783, 593566, 1483915, 2077481, 2967830, 4154962, 10387405, 20774810]

約数ペア:

[(1, 20774810), (2, 10387405), (5, 4154962), (7, 2967830), (10, 2077481), (14, 1483915), (35, 593566), (70, 296783), (463, 44870), (641, 32410), (926, 22435), (1282, 16205), (2315, 8974), (3205, 6482), (3241, 6410), (4487, 4630)]