20770668

素因数分解:

$2^2\times 3^6\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:458

約数の個数: 84

約数和(自身を含む): 57841560

約数和(自身を除く): 37070892

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 68, 81, 102, 108, 153, 162, 204, 243, 306, 324, 419, 459, 486, 612, 729, 838, 918, 972, 1257, 1377, 1458, 1676, 1836, 2514, 2754, 2916, 3771, 4131, 5028, 5508, 7123, 7542, 8262, 11313, 12393, 14246, 15084, 16524, 21369, 22626, 24786, 28492, 33939, 42738, 45252, 49572, 64107, 67878, 85476, 101817, 128214, 135756, 192321, 203634, 256428, 305451, 384642, 407268, 576963, 610902, 769284, 1153926, 1221804, 1730889, 2307852, 3461778, 5192667, 6923556, 10385334, 20770668]

約数ペア:

[(1, 20770668), (2, 10385334), (3, 6923556), (4, 5192667), (6, 3461778), (9, 2307852), (12, 1730889), (17, 1221804), (18, 1153926), (27, 769284), (34, 610902), (36, 576963), (51, 407268), (54, 384642), (68, 305451), (81, 256428), (102, 203634), (108, 192321), (153, 135756), (162, 128214), (204, 101817), (243, 85476), (306, 67878), (324, 64107), (419, 49572), (459, 45252), (486, 42738), (612, 33939), (729, 28492), (838, 24786), (918, 22626), (972, 21369), (1257, 16524), (1377, 15084), (1458, 14246), (1676, 12393), (1836, 11313), (2514, 8262), (2754, 7542), (2916, 7123), (3771, 5508), (4131, 5028)]