16920120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{20143}}^1$

素因数の和:20164

約数の個数: 64

約数和(自身を含む): 58014720

約数和(自身を除く): 41094600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 20143, 40286, 60429, 80572, 100715, 120858, 141001, 161144, 201430, 241716, 282002, 302145, 402860, 423003, 483432, 564004, 604290, 705005, 805720, 846006, 1128008, 1208580, 1410010, 1692012, 2115015, 2417160, 2820020, 3384024, 4230030, 5640040, 8460060, 16920120]

約数ペア:

[(1, 16920120), (2, 8460060), (3, 5640040), (4, 4230030), (5, 3384024), (6, 2820020), (7, 2417160), (8, 2115015), (10, 1692012), (12, 1410010), (14, 1208580), (15, 1128008), (20, 846006), (21, 805720), (24, 705005), (28, 604290), (30, 564004), (35, 483432), (40, 423003), (42, 402860), (56, 302145), (60, 282002), (70, 241716), (84, 201430), (105, 161144), (120, 141001), (140, 120858), (168, 100715), (210, 80572), (280, 60429), (420, 40286), (840, 20143)]