20584773

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:197

約数の個数: 56

約数和(自身を含む): 35885376

約数和(自身を除く): 15300603

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 151, 153, 187, 243, 297, 453, 459, 561, 729, 891, 1359, 1377, 1661, 1683, 2567, 2673, 4077, 4131, 4983, 5049, 7701, 8019, 12231, 12393, 14949, 15147, 23103, 28237, 36693, 44847, 45441, 69309, 84711, 110079, 134541, 136323, 207927, 254133, 403623, 623781, 762399, 1210869, 1871343, 2287197, 6861591, 20584773]

約数ペア:

[(1, 20584773), (3, 6861591), (9, 2287197), (11, 1871343), (17, 1210869), (27, 762399), (33, 623781), (51, 403623), (81, 254133), (99, 207927), (151, 136323), (153, 134541), (187, 110079), (243, 84711), (297, 69309), (453, 45441), (459, 44847), (561, 36693), (729, 28237), (891, 23103), (1359, 15147), (1377, 14949), (1661, 12393), (1683, 12231), (2567, 8019), (2673, 7701), (4077, 5049), (4131, 4983)]