20231900975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131611}}^1$

素因数の和:131688

約数の個数: 48

約数和(自身を含む): 30159153024

約数和(自身を除く): 9927252049

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 143, 215, 275, 325, 473, 559, 715, 1075, 2365, 2795, 3575, 6149, 11825, 13975, 30745, 131611, 153725, 658055, 1447721, 1710943, 3290275, 5659273, 7238605, 8554715, 18820373, 28296365, 36193025, 42773575, 62252003, 73570549, 94101865, 141481825, 311260015, 367852745, 470509325, 809276039, 1556300075, 1839263725, 4046380195, 20231900975]

約数ペア:

[(1, 20231900975), (5, 4046380195), (11, 1839263725), (13, 1556300075), (25, 809276039), (43, 470509325), (55, 367852745), (65, 311260015), (143, 141481825), (215, 94101865), (275, 73570549), (325, 62252003), (473, 42773575), (559, 36193025), (715, 28296365), (1075, 18820373), (2365, 8554715), (2795, 7238605), (3575, 5659273), (6149, 3290275), (11825, 1710943), (13975, 1447721), (30745, 658055), (131611, 153725)]