20771964

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1051}}^1$

素因数の和:1128

約数の個数: 60

約数和(自身を含む): 55244728

約数和(自身を除く): 34472764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 108, 122, 162, 183, 244, 324, 366, 549, 732, 1051, 1098, 1647, 2102, 2196, 3153, 3294, 4204, 4941, 6306, 6588, 9459, 9882, 12612, 18918, 19764, 28377, 37836, 56754, 64111, 85131, 113508, 128222, 170262, 192333, 256444, 340524, 384666, 576999, 769332, 1153998, 1730997, 2307996, 3461994, 5192991, 6923988, 10385982, 20771964]

約数ペア:

[(1, 20771964), (2, 10385982), (3, 6923988), (4, 5192991), (6, 3461994), (9, 2307996), (12, 1730997), (18, 1153998), (27, 769332), (36, 576999), (54, 384666), (61, 340524), (81, 256444), (108, 192333), (122, 170262), (162, 128222), (183, 113508), (244, 85131), (324, 64111), (366, 56754), (549, 37836), (732, 28377), (1051, 19764), (1098, 18918), (1647, 12612), (2102, 9882), (2196, 9459), (3153, 6588), (3294, 6306), (4204, 4941)]