16796920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{251}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 26748680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 251, 280, 478, 502, 956, 1004, 1195, 1255, 1673, 1757, 1912, 2008, 2390, 2510, 3346, 3514, 4780, 5020, 6692, 7028, 8365, 8785, 9560, 10040, 13384, 14056, 16730, 17570, 33460, 35140, 59989, 66920, 70280, 119978, 239956, 299945, 419923, 479912, 599890, 839846, 1199780, 1679692, 2099615, 2399560, 3359384, 4199230, 8398460, 16796920]

約数ペア:

[(1, 16796920), (2, 8398460), (4, 4199230), (5, 3359384), (7, 2399560), (8, 2099615), (10, 1679692), (14, 1199780), (20, 839846), (28, 599890), (35, 479912), (40, 419923), (56, 299945), (70, 239956), (140, 119978), (239, 70280), (251, 66920), (280, 59989), (478, 35140), (502, 33460), (956, 17570), (1004, 16730), (1195, 14056), (1255, 13384), (1673, 10040), (1757, 9560), (1912, 8785), (2008, 8365), (2390, 7028), (2510, 6692), (3346, 5020), (3514, 4780)]