20713672

素因数分解:

$2^3\times 7^2\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1070

約数の個数: 48

約数和(自身を含む): 46077660

約数和(自身を除く): 25363988

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 53, 56, 98, 106, 196, 212, 371, 392, 424, 742, 997, 1484, 1994, 2597, 2968, 3988, 5194, 6979, 7976, 10388, 13958, 20776, 27916, 48853, 52841, 55832, 97706, 105682, 195412, 211364, 369887, 390824, 422728, 739774, 1479548, 2589209, 2959096, 5178418, 10356836, 20713672]

約数ペア:

[(1, 20713672), (2, 10356836), (4, 5178418), (7, 2959096), (8, 2589209), (14, 1479548), (28, 739774), (49, 422728), (53, 390824), (56, 369887), (98, 211364), (106, 195412), (196, 105682), (212, 97706), (371, 55832), (392, 52841), (424, 48853), (742, 27916), (997, 20776), (1484, 13958), (1994, 10388), (2597, 7976), (2968, 6979), (3988, 5194)]