20785936290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{509}}^1\times {\mathrm{1399}}^1$

素因数の和:2064

約数の個数: 128

約数和(自身を含む): 57576960000

約数和(自身を除く): 36791023710

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 509, 695, 834, 973, 1018, 1390, 1399, 1527, 1946, 2085, 2545, 2798, 2919, 3054, 3563, 4170, 4197, 4865, 5090, 5838, 6995, 7126, 7635, 8394, 9730, 9793, 10689, 13990, 14595, 15270, 17815, 19586, 20985, 21378, 29190, 29379, 35630, 41970, 48965, 53445, 58758, 70751, 97930, 106890, 141502, 146895, 194461, 212253, 293790, 353755, 388922, 424506, 495257, 583383, 707510, 712091, 972305, 990514, 1061265, 1166766, 1361227, 1424182, 1485771, 1944610, 2122530, 2136273, 2476285, 2722454, 2916915, 2971542, 3560455, 4083681, 4272546, 4952570, 4984637, 5833830, 6806135, 7120910, 7428855, 8167362, 9969274, 10681365, 13612270, 14857710, 14953911, 20418405, 21362730, 24923185, 29907822, 40836810, 49846370, 74769555, 98980649, 149539110, 197961298, 296941947, 494903245, 593883894, 692864543, 989806490, 1385729086, 1484709735, 2078593629, 2969419470, 3464322715, 4157187258, 6928645430, 10392968145, 20785936290]

約数ペア:

[(1, 20785936290), (2, 10392968145), (3, 6928645430), (5, 4157187258), (6, 3464322715), (7, 2969419470), (10, 2078593629), (14, 1484709735), (15, 1385729086), (21, 989806490), (30, 692864543), (35, 593883894), (42, 494903245), (70, 296941947), (105, 197961298), (139, 149539110), (210, 98980649), (278, 74769555), (417, 49846370), (509, 40836810), (695, 29907822), (834, 24923185), (973, 21362730), (1018, 20418405), (1390, 14953911), (1399, 14857710), (1527, 13612270), (1946, 10681365), (2085, 9969274), (2545, 8167362), (2798, 7428855), (2919, 7120910), (3054, 6806135), (3563, 5833830), (4170, 4984637), (4197, 4952570), (4865, 4272546), (5090, 4083681), (5838, 3560455), (6995, 2971542), (7126, 2916915), (7635, 2722454), (8394, 2476285), (9730, 2136273), (9793, 2122530), (10689, 1944610), (13990, 1485771), (14595, 1424182), (15270, 1361227), (17815, 1166766), (19586, 1061265), (20985, 990514), (21378, 972305), (29190, 712091), (29379, 707510), (35630, 583383), (41970, 495257), (48965, 424506), (53445, 388922), (58758, 353755), (70751, 293790), (97930, 212253), (106890, 194461), (141502, 146895)]