20549160

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:432

約数の個数: 128

約数和(自身を含む): 69984000

約数和(自身を除く): 49434840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 53, 54, 60, 72, 90, 106, 108, 120, 135, 159, 180, 212, 216, 265, 270, 318, 359, 360, 424, 477, 530, 540, 636, 718, 795, 954, 1060, 1077, 1080, 1272, 1431, 1436, 1590, 1795, 1908, 2120, 2154, 2385, 2862, 2872, 3180, 3231, 3590, 3816, 4308, 4770, 5385, 5724, 6360, 6462, 7155, 7180, 8616, 9540, 9693, 10770, 11448, 12924, 14310, 14360, 16155, 19027, 19080, 19386, 21540, 25848, 28620, 32310, 38054, 38772, 43080, 48465, 57081, 57240, 64620, 76108, 77544, 95135, 96930, 114162, 129240, 152216, 171243, 190270, 193860, 228324, 285405, 342486, 380540, 387720, 456648, 513729, 570810, 684972, 761080, 856215, 1027458, 1141620, 1369944, 1712430, 2054916, 2283240, 2568645, 3424860, 4109832, 5137290, 6849720, 10274580, 20549160]

約数ペア:

[(1, 20549160), (2, 10274580), (3, 6849720), (4, 5137290), (5, 4109832), (6, 3424860), (8, 2568645), (9, 2283240), (10, 2054916), (12, 1712430), (15, 1369944), (18, 1141620), (20, 1027458), (24, 856215), (27, 761080), (30, 684972), (36, 570810), (40, 513729), (45, 456648), (53, 387720), (54, 380540), (60, 342486), (72, 285405), (90, 228324), (106, 193860), (108, 190270), (120, 171243), (135, 152216), (159, 129240), (180, 114162), (212, 96930), (216, 95135), (265, 77544), (270, 76108), (318, 64620), (359, 57240), (360, 57081), (424, 48465), (477, 43080), (530, 38772), (540, 38054), (636, 32310), (718, 28620), (795, 25848), (954, 21540), (1060, 19386), (1077, 19080), (1080, 19027), (1272, 16155), (1431, 14360), (1436, 14310), (1590, 12924), (1795, 11448), (1908, 10770), (2120, 9693), (2154, 9540), (2385, 8616), (2862, 7180), (2872, 7155), (3180, 6462), (3231, 6360), (3590, 5724), (3816, 5385), (4308, 4770)]