20126709100

素因数分解:

$2^2\times 5^2\times {\mathrm{1993}}^1\times {\mathrm{100987}}^1$

素因数の和:102994

約数の個数: 36

約数和(自身を含む): 43697305624

約数和(自身を除く): 23570596524

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 1993, 3986, 7972, 9965, 19930, 39860, 49825, 99650, 100987, 199300, 201974, 403948, 504935, 1009870, 2019740, 2524675, 5049350, 10098700, 201267091, 402534182, 805068364, 1006335455, 2012670910, 4025341820, 5031677275, 10063354550, 20126709100]

約数ペア:

[(1, 20126709100), (2, 10063354550), (4, 5031677275), (5, 4025341820), (10, 2012670910), (20, 1006335455), (25, 805068364), (50, 402534182), (100, 201267091), (1993, 10098700), (3986, 5049350), (7972, 2524675), (9965, 2019740), (19930, 1009870), (39860, 504935), (49825, 403948), (99650, 201974), (100987, 199300)]