20404757040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{23689}}^1$

素因数の和:23839

約数の個数: 160

約数和(自身を含む): 65636840640

約数和(自身を除く): 45232083600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 97, 111, 120, 148, 185, 194, 222, 240, 291, 296, 370, 388, 444, 485, 555, 582, 592, 740, 776, 888, 970, 1110, 1164, 1455, 1480, 1552, 1776, 1940, 2220, 2328, 2910, 2960, 3589, 3880, 4440, 4656, 5820, 7178, 7760, 8880, 10767, 11640, 14356, 17945, 21534, 23280, 23689, 28712, 35890, 43068, 47378, 53835, 57424, 71067, 71780, 86136, 94756, 107670, 118445, 142134, 143560, 172272, 189512, 215340, 236890, 284268, 287120, 355335, 379024, 430680, 473780, 568536, 710670, 861360, 876493, 947560, 1137072, 1421340, 1752986, 1895120, 2297833, 2629479, 2842680, 3505972, 4382465, 4595666, 5258958, 5685360, 6893499, 7011944, 8764930, 9191332, 10517916, 11489165, 13147395, 13786998, 14023888, 17529860, 18382664, 21035832, 22978330, 26294790, 27573996, 34467495, 35059720, 36765328, 42071664, 45956660, 52589580, 55147992, 68934990, 70119440, 85019821, 91913320, 105179160, 110295984, 137869980, 170039642, 183826640, 210358320, 255059463, 275739960, 340079284, 425099105, 510118926, 551479920, 680158568, 850198210, 1020237852, 1275297315, 1360317136, 1700396420, 2040475704, 2550594630, 3400792840, 4080951408, 5101189260, 6801585680, 10202378520, 20404757040]

約数ペア:

[(1, 20404757040), (2, 10202378520), (3, 6801585680), (4, 5101189260), (5, 4080951408), (6, 3400792840), (8, 2550594630), (10, 2040475704), (12, 1700396420), (15, 1360317136), (16, 1275297315), (20, 1020237852), (24, 850198210), (30, 680158568), (37, 551479920), (40, 510118926), (48, 425099105), (60, 340079284), (74, 275739960), (80, 255059463), (97, 210358320), (111, 183826640), (120, 170039642), (148, 137869980), (185, 110295984), (194, 105179160), (222, 91913320), (240, 85019821), (291, 70119440), (296, 68934990), (370, 55147992), (388, 52589580), (444, 45956660), (485, 42071664), (555, 36765328), (582, 35059720), (592, 34467495), (740, 27573996), (776, 26294790), (888, 22978330), (970, 21035832), (1110, 18382664), (1164, 17529860), (1455, 14023888), (1480, 13786998), (1552, 13147395), (1776, 11489165), (1940, 10517916), (2220, 9191332), (2328, 8764930), (2910, 7011944), (2960, 6893499), (3589, 5685360), (3880, 5258958), (4440, 4595666), (4656, 4382465), (5820, 3505972), (7178, 2842680), (7760, 2629479), (8880, 2297833), (10767, 1895120), (11640, 1752986), (14356, 1421340), (17945, 1137072), (21534, 947560), (23280, 876493), (23689, 861360), (28712, 710670), (35890, 568536), (43068, 473780), (47378, 430680), (53835, 379024), (57424, 355335), (71067, 287120), (71780, 284268), (86136, 236890), (94756, 215340), (107670, 189512), (118445, 172272), (142134, 143560)]