20569920

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3061}}^1$

素因数の和:3088

約数の個数: 112

約数和(自身を含む): 74663808

約数和(自身を除く): 54093888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3061, 3360, 6122, 6720, 9183, 12244, 15305, 18366, 21427, 24488, 30610, 36732, 42854, 45915, 48976, 61220, 64281, 73464, 85708, 91830, 97952, 107135, 122440, 128562, 146928, 171416, 183660, 195904, 214270, 244880, 257124, 293856, 321405, 342832, 367320, 428540, 489760, 514248, 587712, 642810, 685664, 734640, 857080, 979520, 1028496, 1285620, 1371328, 1469280, 1714160, 2056992, 2571240, 2938560, 3428320, 4113984, 5142480, 6856640, 10284960, 20569920]

約数ペア:

[(1, 20569920), (2, 10284960), (3, 6856640), (4, 5142480), (5, 4113984), (6, 3428320), (7, 2938560), (8, 2571240), (10, 2056992), (12, 1714160), (14, 1469280), (15, 1371328), (16, 1285620), (20, 1028496), (21, 979520), (24, 857080), (28, 734640), (30, 685664), (32, 642810), (35, 587712), (40, 514248), (42, 489760), (48, 428540), (56, 367320), (60, 342832), (64, 321405), (70, 293856), (80, 257124), (84, 244880), (96, 214270), (105, 195904), (112, 183660), (120, 171416), (140, 146928), (160, 128562), (168, 122440), (192, 107135), (210, 97952), (224, 91830), (240, 85708), (280, 73464), (320, 64281), (336, 61220), (420, 48976), (448, 45915), (480, 42854), (560, 36732), (672, 30610), (840, 24488), (960, 21427), (1120, 18366), (1344, 15305), (1680, 12244), (2240, 9183), (3061, 6720), (3360, 6122)]