20784672

素因数分解:

$2^5\times 3^2\times {\mathrm{72169}}^1$

素因数の和:72185

約数の個数: 36

約数和(自身を含む): 59107230

約数和(自身を除く): 38322558

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 72169, 144338, 216507, 288676, 433014, 577352, 649521, 866028, 1154704, 1299042, 1732056, 2309408, 2598084, 3464112, 5196168, 6928224, 10392336, 20784672]

約数ペア:

[(1, 20784672), (2, 10392336), (3, 6928224), (4, 5196168), (6, 3464112), (8, 2598084), (9, 2309408), (12, 1732056), (16, 1299042), (18, 1154704), (24, 866028), (32, 649521), (36, 577352), (48, 433014), (72, 288676), (96, 216507), (144, 144338), (288, 72169)]