19952940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{47507}}^1$

素因数の和:47526

約数の個数: 48

約数和(自身を含む): 63850752

約数和(自身を除く): 43897812

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, 47507, 95014, 142521, 190028, 237535, 285042, 332549, 475070, 570084, 665098, 712605, 950140, 997647, 1330196, 1425210, 1662745, 1995294, 2850420, 3325490, 3990588, 4988235, 6650980, 9976470, 19952940]

約数ペア:

[(1, 19952940), (2, 9976470), (3, 6650980), (4, 4988235), (5, 3990588), (6, 3325490), (7, 2850420), (10, 1995294), (12, 1662745), (14, 1425210), (15, 1330196), (20, 997647), (21, 950140), (28, 712605), (30, 665098), (35, 570084), (42, 475070), (60, 332549), (70, 285042), (84, 237535), (105, 190028), (140, 142521), (210, 95014), (420, 47507)]