20279280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12071}}^1$

素因数の和:12094

約数の個数: 80

約数和(自身を含む): 71852544

約数和(自身を除く): 51573264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 12071, 24142, 36213, 48284, 60355, 72426, 84497, 96568, 120710, 144852, 168994, 181065, 193136, 241420, 253491, 289704, 337988, 362130, 422485, 482840, 506982, 579408, 675976, 724260, 844970, 965680, 1013964, 1267455, 1351952, 1448520, 1689940, 2027928, 2534910, 2897040, 3379880, 4055856, 5069820, 6759760, 10139640, 20279280]

約数ペア:

[(1, 20279280), (2, 10139640), (3, 6759760), (4, 5069820), (5, 4055856), (6, 3379880), (7, 2897040), (8, 2534910), (10, 2027928), (12, 1689940), (14, 1448520), (15, 1351952), (16, 1267455), (20, 1013964), (21, 965680), (24, 844970), (28, 724260), (30, 675976), (35, 579408), (40, 506982), (42, 482840), (48, 422485), (56, 362130), (60, 337988), (70, 289704), (80, 253491), (84, 241420), (105, 193136), (112, 181065), (120, 168994), (140, 144852), (168, 120710), (210, 96568), (240, 84497), (280, 72426), (336, 60355), (420, 48284), (560, 36213), (840, 24142), (1680, 12071)]