20156050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1031}}^1$

素因数の和:1083

約数の個数: 48

約数和(自身を含む): 41461632

約数和(自身を除く): 21305582

約数列:

[1, 2, 5, 10, 17, 23, 25, 34, 46, 50, 85, 115, 170, 230, 391, 425, 575, 782, 850, 1031, 1150, 1955, 2062, 3910, 5155, 9775, 10310, 17527, 19550, 23713, 25775, 35054, 47426, 51550, 87635, 118565, 175270, 237130, 403121, 438175, 592825, 806242, 876350, 1185650, 2015605, 4031210, 10078025, 20156050]

約数ペア:

[(1, 20156050), (2, 10078025), (5, 4031210), (10, 2015605), (17, 1185650), (23, 876350), (25, 806242), (34, 592825), (46, 438175), (50, 403121), (85, 237130), (115, 175270), (170, 118565), (230, 87635), (391, 51550), (425, 47426), (575, 35054), (782, 25775), (850, 23713), (1031, 19550), (1150, 17527), (1955, 10310), (2062, 9775), (3910, 5155)]