20694240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{2053}}^1$

素因数の和:2081

約数の個数: 144

約数和(自身を含む): 80746848

約数和(自身を除く): 60052608

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, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2053, 2520, 3360, 4106, 5040, 6159, 8212, 10080, 10265, 12318, 14371, 16424, 18477, 20530, 24636, 28742, 30795, 32848, 36954, 41060, 43113, 49272, 57484, 61590, 65696, 71855, 73908, 82120, 86226, 92385, 98544, 114968, 123180, 129339, 143710, 147816, 164240, 172452, 184770, 197088, 215565, 229936, 246360, 258678, 287420, 295632, 328480, 344904, 369540, 431130, 459872, 492720, 517356, 574840, 591264, 646695, 689808, 739080, 862260, 985440, 1034712, 1149680, 1293390, 1379616, 1478160, 1724520, 2069424, 2299360, 2586780, 2956320, 3449040, 4138848, 5173560, 6898080, 10347120, 20694240]

約数ペア:

[(1, 20694240), (2, 10347120), (3, 6898080), (4, 5173560), (5, 4138848), (6, 3449040), (7, 2956320), (8, 2586780), (9, 2299360), (10, 2069424), (12, 1724520), (14, 1478160), (15, 1379616), (16, 1293390), (18, 1149680), (20, 1034712), (21, 985440), (24, 862260), (28, 739080), (30, 689808), (32, 646695), (35, 591264), (36, 574840), (40, 517356), (42, 492720), (45, 459872), (48, 431130), (56, 369540), (60, 344904), (63, 328480), (70, 295632), (72, 287420), (80, 258678), (84, 246360), (90, 229936), (96, 215565), (105, 197088), (112, 184770), (120, 172452), (126, 164240), (140, 147816), (144, 143710), (160, 129339), (168, 123180), (180, 114968), (210, 98544), (224, 92385), (240, 86226), (252, 82120), (280, 73908), (288, 71855), (315, 65696), (336, 61590), (360, 57484), (420, 49272), (480, 43113), (504, 41060), (560, 36954), (630, 32848), (672, 30795), (720, 28742), (840, 24636), (1008, 20530), (1120, 18477), (1260, 16424), (1440, 14371), (1680, 12318), (2016, 10265), (2053, 10080), (2520, 8212), (3360, 6159), (4106, 5040)]