20217833160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{491201}}^1$

素因数の和:491236

約数の個数: 128

約数和(自身を含む): 70733088000

約数和(自身を除く): 50515254840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 5145, 5880, 6860, 8232, 10290, 13720, 20580, 41160, 491201, 982402, 1473603, 1964804, 2456005, 2947206, 3438407, 3929608, 4912010, 5894412, 6876814, 7368015, 9824020, 10315221, 11788824, 13753628, 14736030, 17192035, 19648040, 20630442, 24068849, 27507256, 29472060, 34384070, 41260884, 48137698, 51576105, 58944120, 68768140, 72206547, 82521768, 96275396, 103152210, 120344245, 137536280, 144413094, 168481943, 192550792, 206304420, 240688490, 288826188, 336963886, 361032735, 412608840, 481376980, 505445829, 577652376, 673927772, 722065470, 842409715, 962753960, 1010891658, 1347855544, 1444130940, 1684819430, 2021783316, 2527229145, 2888261880, 3369638860, 4043566632, 5054458290, 6739277720, 10108916580, 20217833160]

約数ペア:

[(1, 20217833160), (2, 10108916580), (3, 6739277720), (4, 5054458290), (5, 4043566632), (6, 3369638860), (7, 2888261880), (8, 2527229145), (10, 2021783316), (12, 1684819430), (14, 1444130940), (15, 1347855544), (20, 1010891658), (21, 962753960), (24, 842409715), (28, 722065470), (30, 673927772), (35, 577652376), (40, 505445829), (42, 481376980), (49, 412608840), (56, 361032735), (60, 336963886), (70, 288826188), (84, 240688490), (98, 206304420), (105, 192550792), (120, 168481943), (140, 144413094), (147, 137536280), (168, 120344245), (196, 103152210), (210, 96275396), (245, 82521768), (280, 72206547), (294, 68768140), (343, 58944120), (392, 51576105), (420, 48137698), (490, 41260884), (588, 34384070), (686, 29472060), (735, 27507256), (840, 24068849), (980, 20630442), (1029, 19648040), (1176, 17192035), (1372, 14736030), (1470, 13753628), (1715, 11788824), (1960, 10315221), (2058, 9824020), (2744, 7368015), (2940, 6876814), (3430, 5894412), (4116, 4912010), (5145, 3929608), (5880, 3438407), (6860, 2947206), (8232, 2456005), (10290, 1964804), (13720, 1473603), (20580, 982402), (41160, 491201)]