20017503768

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:1025

約数の個数: 128

約数和(自身を含む): 52238592000

約数和(自身を除く): 32221088232

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 157, 186, 248, 314, 372, 409, 419, 471, 628, 744, 818, 838, 942, 1227, 1256, 1257, 1636, 1676, 1884, 2454, 2514, 3272, 3352, 3768, 4867, 4908, 5028, 9734, 9816, 10056, 12679, 12989, 14601, 19468, 25358, 25978, 29202, 38037, 38936, 38967, 50716, 51956, 58404, 64213, 65783, 76074, 77934, 101432, 103912, 116808, 128426, 131566, 152148, 155868, 171371, 192639, 197349, 256852, 263132, 304296, 311736, 342742, 385278, 394698, 513704, 514113, 526264, 685484, 770556, 789396, 1028226, 1370968, 1541112, 1578792, 1990603, 2039273, 2056452, 3981206, 4078546, 4112904, 5312501, 5971809, 6117819, 7962412, 8157092, 10625002, 11943618, 12235638, 15924824, 15937503, 16314184, 21250004, 23887236, 24471276, 26905247, 31875006, 42500008, 47774472, 48942552, 53810494, 63750012, 80715741, 107620988, 127500024, 161431482, 215241976, 322862964, 645725928, 834062657, 1668125314, 2502187971, 3336250628, 5004375942, 6672501256, 10008751884, 20017503768]

約数ペア:

[(1, 20017503768), (2, 10008751884), (3, 6672501256), (4, 5004375942), (6, 3336250628), (8, 2502187971), (12, 1668125314), (24, 834062657), (31, 645725928), (62, 322862964), (93, 215241976), (124, 161431482), (157, 127500024), (186, 107620988), (248, 80715741), (314, 63750012), (372, 53810494), (409, 48942552), (419, 47774472), (471, 42500008), (628, 31875006), (744, 26905247), (818, 24471276), (838, 23887236), (942, 21250004), (1227, 16314184), (1256, 15937503), (1257, 15924824), (1636, 12235638), (1676, 11943618), (1884, 10625002), (2454, 8157092), (2514, 7962412), (3272, 6117819), (3352, 5971809), (3768, 5312501), (4867, 4112904), (4908, 4078546), (5028, 3981206), (9734, 2056452), (9816, 2039273), (10056, 1990603), (12679, 1578792), (12989, 1541112), (14601, 1370968), (19468, 1028226), (25358, 789396), (25978, 770556), (29202, 685484), (38037, 526264), (38936, 514113), (38967, 513704), (50716, 394698), (51956, 385278), (58404, 342742), (64213, 311736), (65783, 304296), (76074, 263132), (77934, 256852), (101432, 197349), (103912, 192639), (116808, 171371), (128426, 155868), (131566, 152148)]