20206289320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{8209}}^1$

素因数の和:8435

約数の個数: 128

約数和(自身を含む): 53200800000

約数和(自身を除く): 32994510680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 149, 236, 280, 295, 298, 413, 472, 590, 596, 745, 826, 1043, 1180, 1192, 1490, 1652, 2065, 2086, 2360, 2980, 3304, 4130, 4172, 5215, 5960, 8209, 8260, 8344, 8791, 10430, 16418, 16520, 17582, 20860, 32836, 35164, 41045, 41720, 43955, 57463, 61537, 65672, 70328, 82090, 87910, 114926, 123074, 164180, 175820, 229852, 246148, 287315, 307685, 328360, 351640, 459704, 484331, 492296, 574630, 615370, 968662, 1149260, 1223141, 1230740, 1937324, 2298520, 2421655, 2446282, 2461480, 3390317, 3874648, 4843310, 4892564, 6115705, 6780634, 8561987, 9686620, 9785128, 12231410, 13561268, 16951585, 17123974, 19373240, 24462820, 27122536, 33903170, 34247948, 42809935, 48925640, 67806340, 68495896, 72165319, 85619870, 135612680, 144330638, 171239740, 288661276, 342479480, 360826595, 505157233, 577322552, 721653190, 1010314466, 1443306380, 2020628932, 2525786165, 2886612760, 4041257864, 5051572330, 10103144660, 20206289320]

約数ペア:

[(1, 20206289320), (2, 10103144660), (4, 5051572330), (5, 4041257864), (7, 2886612760), (8, 2525786165), (10, 2020628932), (14, 1443306380), (20, 1010314466), (28, 721653190), (35, 577322552), (40, 505157233), (56, 360826595), (59, 342479480), (70, 288661276), (118, 171239740), (140, 144330638), (149, 135612680), (236, 85619870), (280, 72165319), (295, 68495896), (298, 67806340), (413, 48925640), (472, 42809935), (590, 34247948), (596, 33903170), (745, 27122536), (826, 24462820), (1043, 19373240), (1180, 17123974), (1192, 16951585), (1490, 13561268), (1652, 12231410), (2065, 9785128), (2086, 9686620), (2360, 8561987), (2980, 6780634), (3304, 6115705), (4130, 4892564), (4172, 4843310), (5215, 3874648), (5960, 3390317), (8209, 2461480), (8260, 2446282), (8344, 2421655), (8791, 2298520), (10430, 1937324), (16418, 1230740), (16520, 1223141), (17582, 1149260), (20860, 968662), (32836, 615370), (35164, 574630), (41045, 492296), (41720, 484331), (43955, 459704), (57463, 351640), (61537, 328360), (65672, 307685), (70328, 287315), (82090, 246148), (87910, 229852), (114926, 175820), (123074, 164180)]