20655306

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9643}}^1$

素因数の和:9675

約数の個数: 48

約数和(自身を含む): 54160704

約数和(自身を除く): 33505398

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 306, 357, 714, 1071, 2142, 9643, 19286, 28929, 57858, 67501, 86787, 135002, 163931, 173574, 202503, 327862, 405006, 491793, 607509, 983586, 1147517, 1215018, 1475379, 2295034, 2950758, 3442551, 6885102, 10327653, 20655306]

約数ペア:

[(1, 20655306), (2, 10327653), (3, 6885102), (6, 3442551), (7, 2950758), (9, 2295034), (14, 1475379), (17, 1215018), (18, 1147517), (21, 983586), (34, 607509), (42, 491793), (51, 405006), (63, 327862), (102, 202503), (119, 173574), (126, 163931), (153, 135002), (238, 86787), (306, 67501), (357, 57858), (714, 28929), (1071, 19286), (2142, 9643)]