20662770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:315

約数の個数: 64

約数和(自身を含む): 51601536

約数和(自身を除く): 30938766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 107, 123, 157, 205, 214, 246, 314, 321, 410, 471, 535, 615, 642, 785, 942, 1070, 1230, 1570, 1605, 2355, 3210, 4387, 4710, 6437, 8774, 12874, 13161, 16799, 19311, 21935, 26322, 32185, 33598, 38622, 43870, 50397, 64370, 65805, 83995, 96555, 100794, 131610, 167990, 193110, 251985, 503970, 688759, 1377518, 2066277, 3443795, 4132554, 6887590, 10331385, 20662770]

約数ペア:

[(1, 20662770), (2, 10331385), (3, 6887590), (5, 4132554), (6, 3443795), (10, 2066277), (15, 1377518), (30, 688759), (41, 503970), (82, 251985), (107, 193110), (123, 167990), (157, 131610), (205, 100794), (214, 96555), (246, 83995), (314, 65805), (321, 64370), (410, 50397), (471, 43870), (535, 38622), (615, 33598), (642, 32185), (785, 26322), (942, 21935), (1070, 19311), (1230, 16799), (1570, 13161), (1605, 12874), (2355, 8774), (3210, 6437), (4387, 4710)]