20162100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{9601}}^1$

素因数の和:9625

約数の個数: 72

約数和(自身を含む): 66676288

約数和(自身を除く): 46514188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 9601, 19202, 28803, 38404, 48005, 57606, 67207, 96010, 115212, 134414, 144015, 192020, 201621, 240025, 268828, 288030, 336035, 403242, 480050, 576060, 672070, 720075, 806484, 960100, 1008105, 1344140, 1440150, 1680175, 2016210, 2880300, 3360350, 4032420, 5040525, 6720700, 10081050, 20162100]

約数ペア:

[(1, 20162100), (2, 10081050), (3, 6720700), (4, 5040525), (5, 4032420), (6, 3360350), (7, 2880300), (10, 2016210), (12, 1680175), (14, 1440150), (15, 1344140), (20, 1008105), (21, 960100), (25, 806484), (28, 720075), (30, 672070), (35, 576060), (42, 480050), (50, 403242), (60, 336035), (70, 288030), (75, 268828), (84, 240025), (100, 201621), (105, 192020), (140, 144015), (150, 134414), (175, 115212), (210, 96010), (300, 67207), (350, 57606), (420, 48005), (525, 38404), (700, 28803), (1050, 19202), (2100, 9601)]