20001729008

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{367}}^1\times {\mathrm{22861}}^1$

素因数の和:23385

約数の個数: 40

約数和(自身を含む): 39121454400

約数和(自身を除く): 19119725392

約数列:

[1, 2, 4, 8, 16, 149, 298, 367, 596, 734, 1192, 1468, 2384, 2936, 5872, 22861, 45722, 54683, 91444, 109366, 182888, 218732, 365776, 437464, 874928, 3406289, 6812578, 8389987, 13625156, 16779974, 27250312, 33559948, 54500624, 67119896, 134239792, 1250108063, 2500216126, 5000432252, 10000864504, 20001729008]

約数ペア:

[(1, 20001729008), (2, 10000864504), (4, 5000432252), (8, 2500216126), (16, 1250108063), (149, 134239792), (298, 67119896), (367, 54500624), (596, 33559948), (734, 27250312), (1192, 16779974), (1468, 13625156), (2384, 8389987), (2936, 6812578), (5872, 3406289), (22861, 874928), (45722, 437464), (54683, 365776), (91444, 218732), (109366, 182888)]