20219212805

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{317189}}^1$

素因数の和:317285

約数の個数: 32

約数和(自身を含む): 28318723200

約数和(自身を除く): 8099510395

約数列:

[1, 5, 11, 19, 55, 61, 95, 209, 305, 671, 1045, 1159, 3355, 5795, 12749, 63745, 317189, 1585945, 3489079, 6026591, 17445395, 19348529, 30132955, 66292501, 96742645, 212833819, 331462505, 367622051, 1064169095, 1838110255, 4043842561, 20219212805]

約数ペア:

[(1, 20219212805), (5, 4043842561), (11, 1838110255), (19, 1064169095), (55, 367622051), (61, 331462505), (95, 212833819), (209, 96742645), (305, 66292501), (671, 30132955), (1045, 19348529), (1159, 17445395), (3355, 6026591), (5795, 3489079), (12749, 1585945), (63745, 317189)]