20359920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12119}}^1$

素因数の和:12142

約数の個数: 80

約数和(自身を含む): 72138240

約数和(自身を除く): 51778320

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, 12119, 24238, 36357, 48476, 60595, 72714, 84833, 96952, 121190, 145428, 169666, 181785, 193904, 242380, 254499, 290856, 339332, 363570, 424165, 484760, 508998, 581712, 678664, 727140, 848330, 969520, 1017996, 1272495, 1357328, 1454280, 1696660, 2035992, 2544990, 2908560, 3393320, 4071984, 5089980, 6786640, 10179960, 20359920]

約数ペア:

[(1, 20359920), (2, 10179960), (3, 6786640), (4, 5089980), (5, 4071984), (6, 3393320), (7, 2908560), (8, 2544990), (10, 2035992), (12, 1696660), (14, 1454280), (15, 1357328), (16, 1272495), (20, 1017996), (21, 969520), (24, 848330), (28, 727140), (30, 678664), (35, 581712), (40, 508998), (42, 484760), (48, 424165), (56, 363570), (60, 339332), (70, 290856), (80, 254499), (84, 242380), (105, 193904), (112, 181785), (120, 169666), (140, 145428), (168, 121190), (210, 96952), (240, 84833), (280, 72714), (336, 60595), (420, 48476), (560, 36357), (840, 24238), (1680, 12119)]