20170296020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{661}}^1\times {\mathrm{1033}}^1$

素因数の和:1921

約数の個数: 96

約数和(自身を含む): 48758873856

約数和(自身を除く): 28588577836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 661, 844, 1033, 1055, 1322, 1477, 2066, 2110, 2644, 2954, 3305, 4132, 4220, 4627, 5165, 5908, 6610, 7231, 7385, 9254, 10330, 13220, 14462, 14770, 18508, 20660, 23135, 28924, 29540, 36155, 46270, 72310, 92540, 139471, 144620, 217963, 278942, 435926, 557884, 682813, 697355, 871852, 976297, 1089815, 1365626, 1394710, 1525741, 1952594, 2179630, 2731252, 2789420, 3051482, 3414065, 3905188, 4359260, 4779691, 4881485, 6102964, 6828130, 7628705, 9559382, 9762970, 13656260, 15257410, 19118764, 19525940, 23898455, 30514820, 47796910, 95593820, 144073543, 288147086, 576294172, 720367715, 1008514801, 1440735430, 2017029602, 2881470860, 4034059204, 5042574005, 10085148010, 20170296020]

約数ペア:

[(1, 20170296020), (2, 10085148010), (4, 5042574005), (5, 4034059204), (7, 2881470860), (10, 2017029602), (14, 1440735430), (20, 1008514801), (28, 720367715), (35, 576294172), (70, 288147086), (140, 144073543), (211, 95593820), (422, 47796910), (661, 30514820), (844, 23898455), (1033, 19525940), (1055, 19118764), (1322, 15257410), (1477, 13656260), (2066, 9762970), (2110, 9559382), (2644, 7628705), (2954, 6828130), (3305, 6102964), (4132, 4881485), (4220, 4779691), (4627, 4359260), (5165, 3905188), (5908, 3414065), (6610, 3051482), (7231, 2789420), (7385, 2731252), (9254, 2179630), (10330, 1952594), (13220, 1525741), (14462, 1394710), (14770, 1365626), (18508, 1089815), (20660, 976297), (23135, 871852), (28924, 697355), (29540, 682813), (36155, 557884), (46270, 435926), (72310, 278942), (92540, 217963), (139471, 144620)]