2045820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{4871}}^1$

素因数の和:4890

約数の個数: 48

約数和(自身を含む): 6547968

約数和(自身を除く): 4502148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 4871, 9742, 14613, 19484, 24355, 29226, 34097, 48710, 58452, 68194, 73065, 97420, 102291, 136388, 146130, 170485, 204582, 292260, 340970, 409164, 511455, 681940, 1022910, 2045820]

約数ペア:

[(1, 2045820), (2, 1022910), (3, 681940), (4, 511455), (5, 409164), (6, 340970), (7, 292260), (10, 204582), (12, 170485), (14, 146130), (15, 136388), (20, 102291), (21, 97420), (28, 73065), (30, 68194), (35, 58452), (42, 48710), (60, 34097), (70, 29226), (84, 24355), (105, 19484), (140, 14613), (210, 9742), (420, 4871)]