20948301

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:504

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 15375987

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 243, 297, 459, 461, 561, 891, 1377, 1383, 1683, 2673, 4131, 4149, 5049, 5071, 7837, 12447, 15147, 15213, 23511, 37341, 45441, 45639, 70533, 86207, 112023, 136917, 211599, 258621, 410751, 634797, 775863, 1232253, 1904391, 2327589, 6982767, 20948301]

約数ペア:

[(1, 20948301), (3, 6982767), (9, 2327589), (11, 1904391), (17, 1232253), (27, 775863), (33, 634797), (51, 410751), (81, 258621), (99, 211599), (153, 136917), (187, 112023), (243, 86207), (297, 70533), (459, 45639), (461, 45441), (561, 37341), (891, 23511), (1377, 15213), (1383, 15147), (1683, 12447), (2673, 7837), (4131, 5071), (4149, 5049)]