20201455870380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1\times {\mathrm{1570951}}^1$

素因数の和:1571524

約数の個数: 144

約数和(自身を含む): 61757265024000

約数和(自身を除く): 41555809153620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 199, 359, 398, 597, 718, 796, 995, 1077, 1194, 1436, 1791, 1795, 1990, 2154, 2388, 2985, 3231, 3582, 3590, 3980, 4308, 5385, 5970, 6462, 7164, 7180, 8955, 10770, 11940, 12924, 16155, 17910, 21540, 32310, 35820, 64620, 71441, 142882, 214323, 285764, 357205, 428646, 642969, 714410, 857292, 1071615, 1285938, 1428820, 1570951, 2143230, 2571876, 3141902, 3214845, 4286460, 4712853, 6283804, 6429690, 7854755, 9425706, 12859380, 14138559, 15709510, 18851412, 23564265, 28277118, 31419020, 47128530, 56554236, 70692795, 94257060, 141385590, 282771180, 312619249, 563971409, 625238498, 937857747, 1127942818, 1250476996, 1563096245, 1691914227, 1875715494, 2255885636, 2813573241, 2819857045, 3126192490, 3383828454, 3751430988, 4689288735, 5075742681, 5627146482, 5639714090, 6252384980, 6767656908, 8459571135, 9378577470, 10151485362, 11254292964, 11279428180, 14067866205, 16919142270, 18757154940, 20302970724, 25378713405, 28135732410, 33838284540, 50757426810, 56271464820, 101514853620, 112230310391, 224460620782, 336690931173, 448921241564, 561151551955, 673381862346, 1010072793519, 1122303103910, 1346763724692, 1683454655865, 2020145587038, 2244606207820, 3366909311730, 4040291174076, 5050363967595, 6733818623460, 10100727935190, 20201455870380]

約数ペア:

[(1, 20201455870380), (2, 10100727935190), (3, 6733818623460), (4, 5050363967595), (5, 4040291174076), (6, 3366909311730), (9, 2244606207820), (10, 2020145587038), (12, 1683454655865), (15, 1346763724692), (18, 1122303103910), (20, 1010072793519), (30, 673381862346), (36, 561151551955), (45, 448921241564), (60, 336690931173), (90, 224460620782), (180, 112230310391), (199, 101514853620), (359, 56271464820), (398, 50757426810), (597, 33838284540), (718, 28135732410), (796, 25378713405), (995, 20302970724), (1077, 18757154940), (1194, 16919142270), (1436, 14067866205), (1791, 11279428180), (1795, 11254292964), (1990, 10151485362), (2154, 9378577470), (2388, 8459571135), (2985, 6767656908), (3231, 6252384980), (3582, 5639714090), (3590, 5627146482), (3980, 5075742681), (4308, 4689288735), (5385, 3751430988), (5970, 3383828454), (6462, 3126192490), (7164, 2819857045), (7180, 2813573241), (8955, 2255885636), (10770, 1875715494), (11940, 1691914227), (12924, 1563096245), (16155, 1250476996), (17910, 1127942818), (21540, 937857747), (32310, 625238498), (35820, 563971409), (64620, 312619249), (71441, 282771180), (142882, 141385590), (214323, 94257060), (285764, 70692795), (357205, 56554236), (428646, 47128530), (642969, 31419020), (714410, 28277118), (857292, 23564265), (1071615, 18851412), (1285938, 15709510), (1428820, 14138559), (1570951, 12859380), (2143230, 9425706), (2571876, 7854755), (3141902, 6429690), (3214845, 6283804), (4286460, 4712853)]