20013302775

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{379579}}^1$

素因数の和:379648

約数の個数: 48

約数和(自身を含む): 35771619200

約数和(自身を除く): 15758316425

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 475, 555, 703, 925, 1425, 2109, 2775, 3515, 10545, 17575, 52725, 379579, 1138737, 1897895, 5693685, 7212001, 9489475, 14044423, 21636003, 28468425, 36060005, 42133269, 70222115, 108180015, 180300025, 210666345, 266844037, 351110575, 540900075, 800532111, 1053331725, 1334220185, 4002660555, 6671100925, 20013302775]

約数ペア:

[(1, 20013302775), (3, 6671100925), (5, 4002660555), (15, 1334220185), (19, 1053331725), (25, 800532111), (37, 540900075), (57, 351110575), (75, 266844037), (95, 210666345), (111, 180300025), (185, 108180015), (285, 70222115), (475, 42133269), (555, 36060005), (703, 28468425), (925, 21636003), (1425, 14044423), (2109, 9489475), (2775, 7212001), (3515, 5693685), (10545, 1897895), (17575, 1138737), (52725, 379579)]