20175915537

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{70783}}^1$

素因数の和:70841

約数の個数: 56

約数和(自身を含む): 33422505984

約数和(自身を除く): 13246590447

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 81, 153, 207, 243, 391, 459, 621, 729, 1173, 1377, 1863, 3519, 4131, 5589, 10557, 12393, 16767, 31671, 70783, 95013, 212349, 285039, 637047, 1203311, 1628009, 1911141, 3609933, 4884027, 5733423, 10829799, 14652081, 17200269, 27676153, 32489397, 43956243, 51600807, 83028459, 97468191, 131868729, 249085377, 292404573, 395606187, 747256131, 877213719, 1186818561, 2241768393, 6725305179, 20175915537]

約数ペア:

[(1, 20175915537), (3, 6725305179), (9, 2241768393), (17, 1186818561), (23, 877213719), (27, 747256131), (51, 395606187), (69, 292404573), (81, 249085377), (153, 131868729), (207, 97468191), (243, 83028459), (391, 51600807), (459, 43956243), (621, 32489397), (729, 27676153), (1173, 17200269), (1377, 14652081), (1863, 10829799), (3519, 5733423), (4131, 4884027), (5589, 3609933), (10557, 1911141), (12393, 1628009), (16767, 1203311), (31671, 637047), (70783, 285039), (95013, 212349)]