20422080

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{1013}}^1$

素因数の和:1043

約数の個数: 168

約数和(自身を含む): 80357472

約数和(自身を除く): 59935392

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1013, 1120, 1260, 1344, 1440, 1680, 2016, 2026, 2240, 2520, 2880, 3039, 3360, 4032, 4052, 5040, 5065, 6078, 6720, 7091, 8104, 9117, 10080, 10130, 12156, 14182, 15195, 16208, 18234, 20160, 20260, 21273, 24312, 28364, 30390, 32416, 35455, 36468, 40520, 42546, 45585, 48624, 56728, 60780, 63819, 64832, 70910, 72936, 81040, 85092, 91170, 97248, 106365, 113456, 121560, 127638, 141820, 145872, 162080, 170184, 182340, 194496, 212730, 226912, 243120, 255276, 283640, 291744, 319095, 324160, 340368, 364680, 425460, 453824, 486240, 510552, 567280, 583488, 638190, 680736, 729360, 850920, 972480, 1021104, 1134560, 1276380, 1361472, 1458720, 1701840, 2042208, 2269120, 2552760, 2917440, 3403680, 4084416, 5105520, 6807360, 10211040, 20422080]

約数ペア:

[(1, 20422080), (2, 10211040), (3, 6807360), (4, 5105520), (5, 4084416), (6, 3403680), (7, 2917440), (8, 2552760), (9, 2269120), (10, 2042208), (12, 1701840), (14, 1458720), (15, 1361472), (16, 1276380), (18, 1134560), (20, 1021104), (21, 972480), (24, 850920), (28, 729360), (30, 680736), (32, 638190), (35, 583488), (36, 567280), (40, 510552), (42, 486240), (45, 453824), (48, 425460), (56, 364680), (60, 340368), (63, 324160), (64, 319095), (70, 291744), (72, 283640), (80, 255276), (84, 243120), (90, 226912), (96, 212730), (105, 194496), (112, 182340), (120, 170184), (126, 162080), (140, 145872), (144, 141820), (160, 127638), (168, 121560), (180, 113456), (192, 106365), (210, 97248), (224, 91170), (240, 85092), (252, 81040), (280, 72936), (288, 70910), (315, 64832), (320, 63819), (336, 60780), (360, 56728), (420, 48624), (448, 45585), (480, 42546), (504, 40520), (560, 36468), (576, 35455), (630, 32416), (672, 30390), (720, 28364), (840, 24312), (960, 21273), (1008, 20260), (1013, 20160), (1120, 18234), (1260, 16208), (1344, 15195), (1440, 14182), (1680, 12156), (2016, 10130), (2026, 10080), (2240, 9117), (2520, 8104), (2880, 7091), (3039, 6720), (3360, 6078), (4032, 5065), (4052, 5040)]