20656536615

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{43973}}^1$

素因数の和:44081

約数の個数: 96

約数和(自身を含む): 42641411904

約数和(自身を除く): 21984875289

約数列:

[1, 3, 5, 9, 11, 13, 15, 33, 39, 45, 55, 65, 73, 99, 117, 143, 165, 195, 219, 365, 429, 495, 585, 657, 715, 803, 949, 1095, 1287, 2145, 2409, 2847, 3285, 4015, 4745, 6435, 7227, 8541, 10439, 12045, 14235, 31317, 36135, 42705, 43973, 52195, 93951, 131919, 156585, 219865, 395757, 469755, 483703, 571649, 659595, 1451109, 1714947, 1978785, 2418515, 2858245, 3210029, 4353327, 5144841, 6288139, 7255545, 8574735, 9630087, 16050145, 18864417, 21766635, 25724205, 28890261, 31440695, 35310319, 41730377, 48150435, 56593251, 94322085, 105930957, 125191131, 144451305, 176551595, 208651885, 282966255, 317792871, 375573393, 459034147, 529654785, 625955655, 1377102441, 1588964355, 1877866965, 2295170735, 4131307323, 6885512205, 20656536615]

約数ペア:

[(1, 20656536615), (3, 6885512205), (5, 4131307323), (9, 2295170735), (11, 1877866965), (13, 1588964355), (15, 1377102441), (33, 625955655), (39, 529654785), (45, 459034147), (55, 375573393), (65, 317792871), (73, 282966255), (99, 208651885), (117, 176551595), (143, 144451305), (165, 125191131), (195, 105930957), (219, 94322085), (365, 56593251), (429, 48150435), (495, 41730377), (585, 35310319), (657, 31440695), (715, 28890261), (803, 25724205), (949, 21766635), (1095, 18864417), (1287, 16050145), (2145, 9630087), (2409, 8574735), (2847, 7255545), (3285, 6288139), (4015, 5144841), (4745, 4353327), (6435, 3210029), (7227, 2858245), (8541, 2418515), (10439, 1978785), (12045, 1714947), (14235, 1451109), (31317, 659595), (36135, 571649), (42705, 483703), (43973, 469755), (52195, 395757), (93951, 219865), (131919, 156585)]