20849730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 59222016

約数和(自身を除く): 38372286

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 41, 46, 55, 66, 67, 69, 82, 110, 115, 123, 134, 138, 165, 201, 205, 230, 246, 253, 330, 335, 345, 402, 410, 451, 506, 615, 670, 690, 737, 759, 902, 943, 1005, 1230, 1265, 1353, 1474, 1518, 1541, 1886, 2010, 2211, 2255, 2530, 2706, 2747, 2829, 3082, 3685, 3795, 4422, 4510, 4623, 4715, 5494, 5658, 6765, 7370, 7590, 7705, 8241, 9246, 9430, 10373, 11055, 13530, 13735, 14145, 15410, 16482, 16951, 20746, 22110, 23115, 27470, 28290, 30217, 31119, 33902, 41205, 46230, 50853, 51865, 60434, 62238, 63181, 82410, 84755, 90651, 101706, 103730, 126362, 151085, 155595, 169510, 181302, 189543, 254265, 302170, 311190, 315905, 379086, 453255, 508530, 631810, 694991, 906510, 947715, 1389982, 1895430, 2084973, 3474955, 4169946, 6949910, 10424865, 20849730]

約数ペア:

[(1, 20849730), (2, 10424865), (3, 6949910), (5, 4169946), (6, 3474955), (10, 2084973), (11, 1895430), (15, 1389982), (22, 947715), (23, 906510), (30, 694991), (33, 631810), (41, 508530), (46, 453255), (55, 379086), (66, 315905), (67, 311190), (69, 302170), (82, 254265), (110, 189543), (115, 181302), (123, 169510), (134, 155595), (138, 151085), (165, 126362), (201, 103730), (205, 101706), (230, 90651), (246, 84755), (253, 82410), (330, 63181), (335, 62238), (345, 60434), (402, 51865), (410, 50853), (451, 46230), (506, 41205), (615, 33902), (670, 31119), (690, 30217), (737, 28290), (759, 27470), (902, 23115), (943, 22110), (1005, 20746), (1230, 16951), (1265, 16482), (1353, 15410), (1474, 14145), (1518, 13735), (1541, 13530), (1886, 11055), (2010, 10373), (2211, 9430), (2255, 9246), (2530, 8241), (2706, 7705), (2747, 7590), (2829, 7370), (3082, 6765), (3685, 5658), (3795, 5494), (4422, 4715), (4510, 4623)]