20144245880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1\times {\mathrm{4481}}^1$

素因数の和:5121

約数の個数: 128

約数和(自身を含む): 52452308160

約数和(自身を除く): 32308062280

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 601, 680, 748, 935, 1202, 1496, 1870, 2404, 3005, 3740, 4481, 4808, 6010, 6611, 7480, 8962, 10217, 12020, 13222, 17924, 20434, 22405, 24040, 26444, 33055, 35848, 40868, 44810, 49291, 51085, 52888, 66110, 76177, 81736, 89620, 98582, 102170, 112387, 132220, 152354, 179240, 197164, 204340, 224774, 246455, 264440, 304708, 380885, 394328, 408680, 449548, 492910, 561935, 609416, 761770, 837947, 899096, 985820, 1123870, 1523540, 1675894, 1971640, 2247740, 2693081, 3047080, 3351788, 4189735, 4495480, 5386162, 6703576, 8379470, 10772324, 13465405, 16758940, 21544648, 26930810, 29623891, 33517880, 45782377, 53861620, 59247782, 91564754, 107723240, 118495564, 148119455, 183129508, 228911885, 236991128, 296238910, 366259016, 457823770, 503606147, 592477820, 915647540, 1007212294, 1184955640, 1831295080, 2014424588, 2518030735, 4028849176, 5036061470, 10072122940, 20144245880]

約数ペア:

[(1, 20144245880), (2, 10072122940), (4, 5036061470), (5, 4028849176), (8, 2518030735), (10, 2014424588), (11, 1831295080), (17, 1184955640), (20, 1007212294), (22, 915647540), (34, 592477820), (40, 503606147), (44, 457823770), (55, 366259016), (68, 296238910), (85, 236991128), (88, 228911885), (110, 183129508), (136, 148119455), (170, 118495564), (187, 107723240), (220, 91564754), (340, 59247782), (374, 53861620), (440, 45782377), (601, 33517880), (680, 29623891), (748, 26930810), (935, 21544648), (1202, 16758940), (1496, 13465405), (1870, 10772324), (2404, 8379470), (3005, 6703576), (3740, 5386162), (4481, 4495480), (4808, 4189735), (6010, 3351788), (6611, 3047080), (7480, 2693081), (8962, 2247740), (10217, 1971640), (12020, 1675894), (13222, 1523540), (17924, 1123870), (20434, 985820), (22405, 899096), (24040, 837947), (26444, 761770), (33055, 609416), (35848, 561935), (40868, 492910), (44810, 449548), (49291, 408680), (51085, 394328), (52888, 380885), (66110, 304708), (76177, 264440), (81736, 246455), (89620, 224774), (98582, 204340), (102170, 197164), (112387, 179240), (132220, 152354)]