20784418794152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1\times {\mathrm{5813147}}^1$

素因数の和:5814306

約数の個数: 64

約数和(自身を含む): 43361433561600

約数和(自身を除く): 22577014767448

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1109, 1612, 2218, 3224, 4436, 8872, 14417, 28834, 34379, 57668, 68758, 115336, 137516, 275032, 446927, 893854, 1787708, 3575416, 5813147, 11626294, 23252588, 46505176, 75570911, 151141822, 180207557, 302283644, 360415114, 604567288, 720830228, 1441660456, 2342698241, 4685396482, 6446780023, 9370792964, 12893560046, 18741585928, 25787120092, 51574240184, 83808140299, 167616280598, 199850180713, 335232561196, 399700361426, 670465122392, 799400722852, 1598801445704, 2598052349269, 5196104698538, 10392209397076, 20784418794152]

約数ペア:

[(1, 20784418794152), (2, 10392209397076), (4, 5196104698538), (8, 2598052349269), (13, 1598801445704), (26, 799400722852), (31, 670465122392), (52, 399700361426), (62, 335232561196), (104, 199850180713), (124, 167616280598), (248, 83808140299), (403, 51574240184), (806, 25787120092), (1109, 18741585928), (1612, 12893560046), (2218, 9370792964), (3224, 6446780023), (4436, 4685396482), (8872, 2342698241), (14417, 1441660456), (28834, 720830228), (34379, 604567288), (57668, 360415114), (68758, 302283644), (115336, 180207557), (137516, 151141822), (275032, 75570911), (446927, 46505176), (893854, 23252588), (1787708, 11626294), (3575416, 5813147)]