20408865738

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{407509}}^1$

素因数の和:408022

約数の個数: 32

約数和(自身を含む): 43306902720

約数和(自身を除く): 22898036982

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 491, 982, 1473, 2946, 8347, 16694, 25041, 50082, 407509, 815018, 1222527, 2445054, 6927653, 13855306, 20782959, 41565918, 200086919, 400173838, 600260757, 1200521514, 3401477623, 6802955246, 10204432869, 20408865738]

約数ペア:

[(1, 20408865738), (2, 10204432869), (3, 6802955246), (6, 3401477623), (17, 1200521514), (34, 600260757), (51, 400173838), (102, 200086919), (491, 41565918), (982, 20782959), (1473, 13855306), (2946, 6927653), (8347, 2445054), (16694, 1222527), (25041, 815018), (50082, 407509)]