20155563375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{166403}}^1$

素因数の和:166457

約数の個数: 64

約数和(自身を含む): 37380994560

約数和(自身を除く): 17225431185

約数列:

[1, 3, 5, 15, 17, 19, 25, 51, 57, 75, 85, 95, 125, 255, 285, 323, 375, 425, 475, 969, 1275, 1425, 1615, 2125, 2375, 4845, 6375, 7125, 8075, 24225, 40375, 121125, 166403, 499209, 832015, 2496045, 2828851, 3161657, 4160075, 8486553, 9484971, 12480225, 14144255, 15808285, 20800375, 42432765, 47424855, 53748169, 62401125, 70721275, 79041425, 161244507, 212163825, 237124275, 268740845, 353606375, 395207125, 806222535, 1060819125, 1185621375, 1343704225, 4031112675, 6718521125, 20155563375]

約数ペア:

[(1, 20155563375), (3, 6718521125), (5, 4031112675), (15, 1343704225), (17, 1185621375), (19, 1060819125), (25, 806222535), (51, 395207125), (57, 353606375), (75, 268740845), (85, 237124275), (95, 212163825), (125, 161244507), (255, 79041425), (285, 70721275), (323, 62401125), (375, 53748169), (425, 47424855), (475, 42432765), (969, 20800375), (1275, 15808285), (1425, 14144255), (1615, 12480225), (2125, 9484971), (2375, 8486553), (4845, 4160075), (6375, 3161657), (7125, 2828851), (8075, 2496045), (24225, 832015), (40375, 499209), (121125, 166403)]