20689024616

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{900149}}^1$

素因数の和:900198

約数の個数: 48

約数和(自身を含む): 44476411500

約数和(自身を除く): 23787386884

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 169, 221, 338, 442, 676, 884, 1352, 1768, 2873, 5746, 11492, 22984, 900149, 1800298, 3600596, 7201192, 11701937, 15302533, 23403874, 30605066, 46807748, 61210132, 93615496, 122420264, 152125181, 198932929, 304250362, 397865858, 608500724, 795731716, 1217001448, 1591463432, 2586128077, 5172256154, 10344512308, 20689024616]

約数ペア:

[(1, 20689024616), (2, 10344512308), (4, 5172256154), (8, 2586128077), (13, 1591463432), (17, 1217001448), (26, 795731716), (34, 608500724), (52, 397865858), (68, 304250362), (104, 198932929), (136, 152125181), (169, 122420264), (221, 93615496), (338, 61210132), (442, 46807748), (676, 30605066), (884, 23403874), (1352, 15302533), (1768, 11701937), (2873, 7201192), (5746, 3600596), (11492, 1800298), (22984, 900149)]