20165043225640

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{5107}}^1\times {\mathrm{467833}}^1$

素因数の和:473162

約数の個数: 64

約数和(自身を含む): 45595401053760

約数和(自身を除く): 25430357828120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 5107, 8440, 10214, 20428, 25535, 40856, 51070, 102140, 204280, 467833, 935666, 1077577, 1871332, 2155154, 2339165, 3742664, 4310308, 4678330, 5387885, 8620616, 9356660, 10775770, 18713320, 21551540, 43103080, 98712763, 197425526, 394851052, 493563815, 789702104, 987127630, 1974255260, 2389223131, 3948510520, 4778446262, 9556892524, 11946115655, 19113785048, 23892231310, 47784462620, 95568925240, 504126080641, 1008252161282, 2016504322564, 2520630403205, 4033008645128, 5041260806410, 10082521612820, 20165043225640]

約数ペア:

[(1, 20165043225640), (2, 10082521612820), (4, 5041260806410), (5, 4033008645128), (8, 2520630403205), (10, 2016504322564), (20, 1008252161282), (40, 504126080641), (211, 95568925240), (422, 47784462620), (844, 23892231310), (1055, 19113785048), (1688, 11946115655), (2110, 9556892524), (4220, 4778446262), (5107, 3948510520), (8440, 2389223131), (10214, 1974255260), (20428, 987127630), (25535, 789702104), (40856, 493563815), (51070, 394851052), (102140, 197425526), (204280, 98712763), (467833, 43103080), (935666, 21551540), (1077577, 18713320), (1871332, 10775770), (2155154, 9356660), (2339165, 8620616), (3742664, 5387885), (4310308, 4678330)]