20057684480

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^3\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 160

約数和(自身を含む): 49883378688

約数和(自身を除く): 29825694208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 263, 310, 320, 496, 512, 526, 620, 640, 961, 992, 1052, 1240, 1280, 1315, 1922, 1984, 2104, 2480, 2560, 2630, 3844, 3968, 4208, 4805, 4960, 5260, 7688, 7936, 8153, 8416, 9610, 9920, 10520, 15376, 15872, 16306, 16832, 19220, 19840, 21040, 29791, 30752, 32612, 33664, 38440, 39680, 40765, 42080, 59582, 61504, 65224, 67328, 76880, 79360, 81530, 84160, 119164, 123008, 130448, 134656, 148955, 153760, 163060, 168320, 238328, 246016, 252743, 260896, 297910, 307520, 326120, 336640, 476656, 492032, 505486, 521792, 595820, 615040, 652240, 673280, 953312, 1010972, 1043584, 1191640, 1230080, 1263715, 1304480, 1906624, 2021944, 2087168, 2383280, 2460160, 2527430, 2608960, 3813248, 4043888, 4174336, 4766560, 5054860, 5217920, 7626496, 7835033, 8087776, 9533120, 10109720, 10435840, 15252992, 15670066, 16175552, 19066240, 20219440, 20871680, 31340132, 32351104, 38132480, 39175165, 40438880, 62680264, 64702208, 76264960, 78350330, 80877760, 125360528, 129404416, 156700660, 161755520, 250721056, 313401320, 323511040, 501442112, 626802640, 647022080, 1002884224, 1253605280, 2005768448, 2507210560, 4011536896, 5014421120, 10028842240, 20057684480]

約数ペア:

[(1, 20057684480), (2, 10028842240), (4, 5014421120), (5, 4011536896), (8, 2507210560), (10, 2005768448), (16, 1253605280), (20, 1002884224), (31, 647022080), (32, 626802640), (40, 501442112), (62, 323511040), (64, 313401320), (80, 250721056), (124, 161755520), (128, 156700660), (155, 129404416), (160, 125360528), (248, 80877760), (256, 78350330), (263, 76264960), (310, 64702208), (320, 62680264), (496, 40438880), (512, 39175165), (526, 38132480), (620, 32351104), (640, 31340132), (961, 20871680), (992, 20219440), (1052, 19066240), (1240, 16175552), (1280, 15670066), (1315, 15252992), (1922, 10435840), (1984, 10109720), (2104, 9533120), (2480, 8087776), (2560, 7835033), (2630, 7626496), (3844, 5217920), (3968, 5054860), (4208, 4766560), (4805, 4174336), (4960, 4043888), (5260, 3813248), (7688, 2608960), (7936, 2527430), (8153, 2460160), (8416, 2383280), (9610, 2087168), (9920, 2021944), (10520, 1906624), (15376, 1304480), (15872, 1263715), (16306, 1230080), (16832, 1191640), (19220, 1043584), (19840, 1010972), (21040, 953312), (29791, 673280), (30752, 652240), (32612, 615040), (33664, 595820), (38440, 521792), (39680, 505486), (40765, 492032), (42080, 476656), (59582, 336640), (61504, 326120), (65224, 307520), (67328, 297910), (76880, 260896), (79360, 252743), (81530, 246016), (84160, 238328), (119164, 168320), (123008, 163060), (130448, 153760), (134656, 148955)]