20786640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{12373}}^1$

素因数の和:12396

約数の個数: 80

約数和(自身を含む): 73650048

約数和(自身を除く): 52863408

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, 12373, 24746, 37119, 49492, 61865, 74238, 86611, 98984, 123730, 148476, 173222, 185595, 197968, 247460, 259833, 296952, 346444, 371190, 433055, 494920, 519666, 593904, 692888, 742380, 866110, 989840, 1039332, 1299165, 1385776, 1484760, 1732220, 2078664, 2598330, 2969520, 3464440, 4157328, 5196660, 6928880, 10393320, 20786640]

約数ペア:

[(1, 20786640), (2, 10393320), (3, 6928880), (4, 5196660), (5, 4157328), (6, 3464440), (7, 2969520), (8, 2598330), (10, 2078664), (12, 1732220), (14, 1484760), (15, 1385776), (16, 1299165), (20, 1039332), (21, 989840), (24, 866110), (28, 742380), (30, 692888), (35, 593904), (40, 519666), (42, 494920), (48, 433055), (56, 371190), (60, 346444), (70, 296952), (80, 259833), (84, 247460), (105, 197968), (112, 185595), (120, 173222), (140, 148476), (168, 123730), (210, 98984), (240, 86611), (280, 74238), (336, 61865), (420, 49492), (560, 37119), (840, 24746), (1680, 12373)]