20322848

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1$

素因数の和:1034

約数の個数: 72

約数和(自身を含む): 50173452

約数和(自身を除く): 29850604

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 637, 728, 784, 997, 1274, 1456, 1568, 1994, 2548, 2912, 3988, 5096, 6979, 7976, 10192, 12961, 13958, 15952, 20384, 25922, 27916, 31904, 48853, 51844, 55832, 90727, 97706, 103688, 111664, 181454, 195412, 207376, 223328, 362908, 390824, 414752, 635089, 725816, 781648, 1270178, 1451632, 1563296, 2540356, 2903264, 5080712, 10161424, 20322848]

約数ペア:

[(1, 20322848), (2, 10161424), (4, 5080712), (7, 2903264), (8, 2540356), (13, 1563296), (14, 1451632), (16, 1270178), (26, 781648), (28, 725816), (32, 635089), (49, 414752), (52, 390824), (56, 362908), (91, 223328), (98, 207376), (104, 195412), (112, 181454), (182, 111664), (196, 103688), (208, 97706), (224, 90727), (364, 55832), (392, 51844), (416, 48853), (637, 31904), (728, 27916), (784, 25922), (997, 20384), (1274, 15952), (1456, 13958), (1568, 12961), (1994, 10192), (2548, 7976), (2912, 6979), (3988, 5096)]