20387850

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{19417}}^1$

素因数の和:19439

約数の個数: 48

約数和(自身を含む): 57787968

約数和(自身を除く): 37400118

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 150, 175, 210, 350, 525, 1050, 19417, 38834, 58251, 97085, 116502, 135919, 194170, 271838, 291255, 407757, 485425, 582510, 679595, 815514, 970850, 1359190, 1456275, 2038785, 2912550, 3397975, 4077570, 6795950, 10193925, 20387850]

約数ペア:

[(1, 20387850), (2, 10193925), (3, 6795950), (5, 4077570), (6, 3397975), (7, 2912550), (10, 2038785), (14, 1456275), (15, 1359190), (21, 970850), (25, 815514), (30, 679595), (35, 582510), (42, 485425), (50, 407757), (70, 291255), (75, 271838), (105, 194170), (150, 135919), (175, 116502), (210, 97085), (350, 58251), (525, 38834), (1050, 19417)]