20165777568

素因数分解:

$2^5\times 3^2\times {\mathrm{439}}^1\times {\mathrm{159499}}^1$

素因数の和:159954

約数の個数: 72

約数和(自身を含む): 57477420000

約数和(自身を除く): 37311642432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 439, 878, 1317, 1756, 2634, 3512, 3951, 5268, 7024, 7902, 10536, 14048, 15804, 21072, 31608, 42144, 63216, 126432, 159499, 318998, 478497, 637996, 956994, 1275992, 1435491, 1913988, 2551984, 2870982, 3827976, 5103968, 5741964, 7655952, 11483928, 15311904, 22967856, 45935712, 70020061, 140040122, 210060183, 280080244, 420120366, 560160488, 630180549, 840240732, 1120320976, 1260361098, 1680481464, 2240641952, 2520722196, 3360962928, 5041444392, 6721925856, 10082888784, 20165777568]

約数ペア:

[(1, 20165777568), (2, 10082888784), (3, 6721925856), (4, 5041444392), (6, 3360962928), (8, 2520722196), (9, 2240641952), (12, 1680481464), (16, 1260361098), (18, 1120320976), (24, 840240732), (32, 630180549), (36, 560160488), (48, 420120366), (72, 280080244), (96, 210060183), (144, 140040122), (288, 70020061), (439, 45935712), (878, 22967856), (1317, 15311904), (1756, 11483928), (2634, 7655952), (3512, 5741964), (3951, 5103968), (5268, 3827976), (7024, 2870982), (7902, 2551984), (10536, 1913988), (14048, 1435491), (15804, 1275992), (21072, 956994), (31608, 637996), (42144, 478497), (63216, 318998), (126432, 159499)]